12210202012100 has 36 divisors (see below), whose sum is σ = 26930501303748. Its totient is φ = 4804013904000.

The previous prime is 12210202012003. The next prime is 12210202012157. The reversal of 12210202012100 is 121020201221.

It can be written as a sum of positive squares in 6 ways, for example, as 4528690437184 + 7681511574916 = 2128072^2 + 2771554^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1000830131 + ... + 1000842330.

Almost surely, 2^{12210202012100} is an apocalyptic number.

12210202012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210202012100 is an abundant number, since it is smaller than the sum of its proper divisors (14720299291648).

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

12210202012100 is a wasteful number, since it uses less digits than its factorization.

12210202012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001672536 (or 2001672529 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12210202012100 its reverse (121020201221), we get a palindrome (12331222213321).

The spelling of 12210202012100 in words is "twelve trillion, two hundred ten billion, two hundred two million, twelve thousand, one hundred".