12131210003100 has 72 divisors (see below), whose sum is σ = 35101954091568. Its totient is φ = 3234775526400.

The previous prime is 12131210003093. The next prime is 12131210003141. The reversal of 12131210003100 is 130001213121.

It is a happy number.

It is a super-2 number, since 2×12131210003100² (a number of 27 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 12131210003100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3236410 + ... + 5893790.

Almost surely, 2^{12131210003100} is an apocalyptic number.

12131210003100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12131210003100 is an abundant number, since it is smaller than the sum of its proper divisors (22970744088468).

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

12131210003100 is a wasteful number, since it uses less digits than its factorization.

12131210003100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672615 (or 2672608 counting only the distinct ones).

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

Adding to 12131210003100 its reverse (130001213121), we get a palindrome (12261211216221).

The spelling of 12131210003100 in words is "twelve trillion, one hundred thirty-one billion, two hundred ten million, three thousand, one hundred".