12220222132100 has 72 divisors (see below), whose sum is σ = 27917274013440. Its totient is φ = 4630204874880.

The previous prime is 12220222132033. The next prime is 12220222132159. The reversal of 12220222132100 is 123122202221.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 13983614 + ... + 14831786.

Almost surely, 2^{12220222132100} is an apocalyptic number.

12220222132100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220222132100 is an abundant number, since it is smaller than the sum of its proper divisors (15697051881340).

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

12220222132100 is a wasteful number, since it uses less digits than its factorization.

12220222132100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855789 (or 855782 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12220222132100 its reverse (123122202221), we get a palindrome (12343344334321).

The spelling of 12220222132100 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-two million, one hundred thirty-two thousand, one hundred".