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1230101123100 = 223523722995133
BaseRepresentation
bin10001111001100111101…
…111011001000000011100
311100121002212021121011120
4101321213233121000130
5130123221341414400
62341033424050540
7154605024012303
oct21714757310034
94317085247146
101230101123100
11434757019433
1217a49a463a50
138bcc88c7855
144377417743a
1521ee763bca0
hex11e67bd901c

1230101123100 has 108 divisors (see below), whose sum is σ = 3657885270984. Its totient is φ = 319161265920.

The previous prime is 1230101123099. The next prime is 1230101123107. The reversal of 1230101123100 is 13211010321.

It is a happy number.

It is a super-2 number, since 2×12301011231002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1230101123100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230101123107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1086867 + ... + 1908266.

Almost surely, 21230101123100 is an apocalyptic number.

1230101123100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230101123100 is an abundant number, since it is smaller than the sum of its proper divisors (2427784147884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230101123100 is a wasteful number, since it uses less digits than its factorization.

1230101123100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995224 (or 2995180 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1230101123100 its reverse (13211010321), we get a palindrome (1243312133421).

The spelling of 1230101123100 in words is "one trillion, two hundred thirty billion, one hundred one million, one hundred twenty-three thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 37 50 60 74 75 100 111 148 150 185 222 300 370 444 555 740 925 1110 1369 1850 2220 2738 2775 3700 4107 5476 5550 6845 8214 11100 13690 16428 20535 27380 34225 41070 68450 82140 102675 136900 205350 410700 2995133 5990266 8985399 11980532 14975665 17970798 29951330 35941596 44926995 59902660 74878325 89853990 110819921 149756650 179707980 221639842 224634975 299513300 332459763 443279684 449269950 554099605 664919526 898539900 1108199210 1329839052 1662298815 2216398420 2770498025 3324597630 4100337077 5540996050 6649195260 8200674154 8311494075 11081992100 12301011231 16401348308 16622988150 20501685385 24602022462 33245976300 41003370770 49204044924 61505056155 82006741540 102508426925 123010112310 205016853850 246020224620 307525280775 410033707700 615050561550 1230101123100