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12102010100 = 2252196369479
BaseRepresentation
bin10110100010101011…
…00000010011110100
31011020102001210220022
423101111200103310
5144241103310400
65320512024312
7605620250165
oct132125402364
934212053808
1012102010100
1151502a6344
122418b32098
1311ab33022b
1482b3b376c
154ac6c0b85
hex2d15604f4

12102010100 has 36 divisors (see below), whose sum is σ = 27643543200. Its totient is φ = 4586024160.

The previous prime is 12102010087. The next prime is 12102010147. The reversal of 12102010100 is 101020121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3182840 + ... + 3186639.

It is an arithmetic number, because the mean of its divisors is an integer number (767876200).

Almost surely, 212102010100 is an apocalyptic number.

12102010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102010100 is an abundant number, since it is smaller than the sum of its proper divisors (15541533100).

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

12102010100 is a wasteful number, since it uses less digits than its factorization.

12102010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369512 (or 6369505 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12102010100 its reverse (101020121), we get a palindrome (12203030221).

The spelling of 12102010100 in words is "twelve billion, one hundred two million, ten thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 6369479 12738958 25477916 31847395 63694790 121020101 127389580 159236975 242040202 318473950 484080404 605100505 636947900 1210201010 2420402020 3025502525 6051005050 12102010100