22211012001200 has 120 divisors (see below), whose sum is σ = 58214682050160. Its totient is φ = 8076504268800.

The previous prime is 22211012001197. The next prime is 22211012001239. The reversal of 22211012001200 is 210021011222.

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, 309270896 + ... + 309342704.

It is an arithmetic number, because the mean of its divisors is an integer number (485122350418).

Almost surely, 2^{22211012001200} is an apocalyptic number.

22211012001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211012001200 is an abundant number, since it is smaller than the sum of its proper divisors (36003670048960).

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

22211012001200 is a wasteful number, since it uses less digits than its factorization.

22211012001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142135 (or 142124 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22211012001200 its reverse (210021011222), we get a palindrome (22421033012422).

The spelling of 22211012001200 in words is "twenty-two trillion, two hundred eleven billion, twelve million, one thousand, two hundred".