12200000202100 has 36 divisors (see below), whose sum is σ = 26478260111884. Its totient is φ = 4879214887680.

The previous prime is 12200000202077. The next prime is 12200000202133. The reversal of 12200000202100 is 120200000221.

It can be written as a sum of positive squares in 6 ways, for example, as 1396906520464 + 10803093681636 = 1181908^2 + 3286806^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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, 9190107 + ... + 10433506.

Almost surely, 2^{12200000202100} is an apocalyptic number.

12200000202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200000202100 is an abundant number, since it is smaller than the sum of its proper divisors (14278259909784).

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

12200000202100 is a wasteful number, since it uses less digits than its factorization.

12200000202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19629844 (or 19629837 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12200000202100 its reverse (120200000221), we get a palindrome (12320200202321).

The spelling of 12200000202100 in words is "twelve trillion, two hundred billion, two hundred two thousand, one hundred".