12200331002100 has 72 divisors (see below), whose sum is σ = 35300310302208. Its totient is φ = 3253358380800.

The previous prime is 12200331002087. The next prime is 12200331002117. The reversal of 12200331002100 is 120013300221.

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 12200331002100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16233645 + ... + 16968555.

Almost surely, 2^{12200331002100} is an apocalyptic number.

12200331002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200331002100 is an abundant number, since it is smaller than the sum of its proper divisors (23099979300108).

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

12200331002100 is a wasteful number, since it uses less digits than its factorization.

12200331002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790265 (or 790258 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12200331002100 its reverse (120013300221), we get a palindrome (12320344302321).

The spelling of 12200331002100 in words is "twelve trillion, two hundred billion, three hundred thirty-one million, two thousand, one hundred".