12220331202100 has 72 divisors (see below), whose sum is σ = 30403247553728. Its totient is φ = 4176441734400.

The previous prime is 12220331202077. The next prime is 12220331202109. The reversal of 12220331202100 is 120213302221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220331202109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27668466 + ... + 28106665.

Almost surely, 2^{12220331202100} is an apocalyptic number.

12220331202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220331202100 is an abundant number, since it is smaller than the sum of its proper divisors (18182916351628).

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

12220331202100 is a wasteful number, since it uses less digits than its factorization.

12220331202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55775465 (or 55775458 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12220331202100 its reverse (120213302221), we get a palindrome (12340544504321).

The spelling of 12220331202100 in words is "twelve trillion, two hundred twenty billion, three hundred thirty-one million, two hundred two thousand, one hundred".