222000120021200 has 60 divisors (see below), whose sum is σ = 534379003417548. Its totient is φ = 88629606374400.

The previous prime is 222000120021187. The next prime is 222000120021227. The reversal of 222000120021200 is 2120021000222.

It can be written as a sum of positive squares in 6 ways, for example, as 858713582224 + 221141406438976 = 926668^2 + 14870824^2 .

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, 532421447 + ... + 532838246.

Almost surely, 2^{222000120021200} is an apocalyptic number.

222000120021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222000120021200 is an abundant number, since it is smaller than the sum of its proper divisors (312378883396348).

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

222000120021200 is a wasteful number, since it uses less digits than its factorization.

222000120021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065260232 (or 1065260221 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222000120021200 its reverse (2120021000222), we get a palindrome (224120141021422).

The spelling of 222000120021200 in words is "two hundred twenty-two trillion, one hundred twenty million, twenty-one thousand, two hundred".