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12120320220130 = 251212032022013
BaseRepresentation
bin1011000001011111101101…
…1000011001101111100010
31120220200122221210120201201
42300113323120121233202
53042034403434021010
641435555341551414
72360443556011213
oct260277330315742
946820587716651
1012120320220130
113953220874061
121438bba87556a
1369bc31034405
142dc8ab67d40a
1516042607b23a
hexb05fb619be2

12120320220130 has 8 divisors (see below), whose sum is σ = 21816576396252. Its totient is φ = 4848128088048.

The previous prime is 12120320220109. The next prime is 12120320220139. The reversal of 12120320220130 is 3102202302121.

It can be written as a sum of positive squares in 2 ways, for example, as 11387945407609 + 732374812521 = 3374603^2 + 855789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×121203202201303 (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12120320220098 and 12120320220107.

It is not an unprimeable number, because it can be changed into a prime (12120320220139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606016010997 + ... + 606016011016.

Almost surely, 212120320220130 is an apocalyptic number.

12120320220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120320220130 is a deficient number, since it is larger than the sum of its proper divisors (9696256176122).

12120320220130 is a wasteful number, since it uses less digits than its factorization.

12120320220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212032022020.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12120320220130 its reverse (3102202302121), we get a palindrome (15222522522251).

The spelling of 12120320220130 in words is "twelve trillion, one hundred twenty billion, three hundred twenty million, two hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 1212032022013 2424064044026 6060160110065 12120320220130