12220010220100 has 36 divisors (see below), whose sum is σ = 26656256890368. Its totient is φ = 4862412436000.

The previous prime is 12220010220097. The next prime is 12220010220107. The reversal of 12220010220100 is 102201002221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12220010220107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319876456 + ... + 319914655.

It is an arithmetic number, because the mean of its divisors is an integer number (740451580288).

Almost surely, 2^{12220010220100} is an apocalyptic number.

12220010220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220010220100 is an abundant number, since it is smaller than the sum of its proper divisors (14436246670268).

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

12220010220100 is a wasteful number, since it uses less digits than its factorization.

12220010220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639791316 (or 639791309 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12220010220100 its reverse (102201002221), we get a palindrome (12322211222321).

The spelling of 12220010220100 in words is "twelve trillion, two hundred twenty billion, ten million, two hundred twenty thousand, one hundred".