12012020102100 has 144 divisors (see below), whose sum is σ = 35915141908800. Its totient is φ = 3097734528000.

The previous prime is 12012020102059. The next prime is 12012020102111. The reversal of 12012020102100 is 120102021021.

12012020102100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3306825 + ... + 5912624.

It is an arithmetic number, because the mean of its divisors is an integer number (249410707700).

Almost surely, 2^{12012020102100} is an apocalyptic number.

12012020102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012020102100 is an abundant number, since it is smaller than the sum of its proper divisors (23903121806700).

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

12012020102100 is a wasteful number, since it uses less digits than its factorization.

12012020102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219610 (or 9219603 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12012020102100 its reverse (120102021021), we get a palindrome (12132122123121).

The spelling of 12012020102100 in words is "twelve trillion, twelve billion, twenty million, one hundred two thousand, one hundred".