12210021022200 has 48 divisors (see below), whose sum is σ = 37851065170680. Its totient is φ = 3256005605760.

The previous prime is 12210021022127. The next prime is 12210021022219. The reversal of 12210021022200 is 222012001221.

It is a super-2 number, since 2×12210021022200² (a number of 27 digits) contains 22 as substring.

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 12210021022200.

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, 10175016919 + ... + 10175018118.

Almost surely, 2^{12210021022200} is an apocalyptic number.

12210021022200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210021022200 is an abundant number, since it is smaller than the sum of its proper divisors (25641044148480).

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

12210021022200 is a wasteful number, since it uses less digits than its factorization.

12210021022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20350035056 (or 20350035047 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12210021022200 its reverse (222012001221), we get a palindrome (12432033023421).

The spelling of 12210021022200 in words is "twelve trillion, two hundred ten billion, twenty-one million, twenty-two thousand, two hundred".