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12103203300 = 22352192123369
BaseRepresentation
bin10110100010110100…
…00011100111100100
31011020111022102122220
423101122003213210
5144241410001200
65320553352340
7605633346666
oct132132034744
934214272586
1012103203300
115150a40861
1224194086b0
1311ab65a376
1482b604536
154ac8594a0
hex2d16839e4

12103203300 has 72 divisors (see below), whose sum is σ = 36861703200. Its totient is φ = 3057649920.

The previous prime is 12103203293. The next prime is 12103203323. The reversal of 12103203300 is 330230121.

It is a super-2 number, since 2×121032033002 (a number of 21 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 12103203300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1055985 + ... + 1067384.

It is an arithmetic number, because the mean of its divisors is an integer number (511968100).

Almost surely, 212103203300 is an apocalyptic number.

12103203300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103203300 is an abundant number, since it is smaller than the sum of its proper divisors (24758499900).

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

12103203300 is a wasteful number, since it uses less digits than its factorization.

12103203300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123405 (or 2123398 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12103203300 its reverse (330230121), we get a palindrome (12433433421).

The spelling of 12103203300 in words is "twelve billion, one hundred three million, two hundred three thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 25 30 38 50 57 60 75 76 95 100 114 150 190 228 285 300 380 475 570 950 1140 1425 1900 2850 5700 2123369 4246738 6370107 8493476 10616845 12740214 21233690 25480428 31850535 40344011 42467380 53084225 63701070 80688022 106168450 121032033 127402140 159252675 161376044 201720055 212336900 242064066 318505350 403440110 484128132 605160165 637010700 806880220 1008600275 1210320330 2017200550 2420640660 3025800825 4034401100 6051601650 12103203300