12103133100 has 72 divisors (see below), whose sum is σ = 35270450880. Its totient is φ = 3204271680.

The previous prime is 12103133089. The next prime is 12103133131. The reversal of 12103133100 is 133130121.

It is a super-2 number, since 2×12103133100² (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 12103133100.

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, 103422 + ... + 186821.

Almost surely, 2^12103133100 is an apocalyptic number.

12103133100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103133100 is an abundant number, since it is smaller than the sum of its proper divisors (23167317780).

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

12103133100 is a wasteful number, since it uses less digits than its factorization.

12103133100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290399 (or 290392 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12103133100 its reverse (133130121), we get a palindrome (12236263221).

The spelling of 12103133100 in words is "twelve billion, one hundred three million, one hundred thirty-three thousand, one hundred".