12002100100 has 72 divisors (see below), whose sum is σ = 26224321536. Its totient is φ = 4767840000.

The previous prime is 12002100083. The next prime is 12002100137. The reversal of 12002100100 is 100120021.

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, 12110605 + ... + 12111595.

It is an arithmetic number, because the mean of its divisors is an integer number (364226688).

Almost surely, 2^12002100100 is an apocalyptic number.

12002100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002100100 is an abundant number, since it is smaller than the sum of its proper divisors (14222221436).

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

12002100100 is a wasteful number, since it uses less digits than its factorization.

12002100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 12002100100 its reverse (100120021), we get a palindrome (12102220121).

The spelling of 12002100100 in words is "twelve billion, two million, one hundred thousand, one hundred".