12220221111200 has 72 divisors (see below), whose sum is σ = 29833098996960. Its totient is φ = 4888009107200.

The previous prime is 12220221111187. The next prime is 12220221111233. The reversal of 12220221111200 is 211112202221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91430021 + ... + 91563579.

It is an arithmetic number, because the mean of its divisors is an integer number (414348597180).

Almost surely, 2^{12220221111200} is an apocalyptic number.

12220221111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220221111200 is an abundant number, since it is smaller than the sum of its proper divisors (17612877885760).

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

12220221111200 is a wasteful number, since it uses less digits than its factorization.

12220221111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247950 (or 247937 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12220221111200 its reverse (211112202221), we get a palindrome (12431333313421).

The spelling of 12220221111200 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, one hundred eleven thousand, two hundred".