22131404401200 has 120 divisors (see below), whose sum is σ = 70896558343248. Its totient is φ = 5901516963840.

The previous prime is 22131404401193. The next prime is 22131404401219. The reversal of 22131404401200 is 210440413122.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×22131404401200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 38973712 + ... + 39537488.

Almost surely, 2^{22131404401200} is an apocalyptic number.

22131404401200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131404401200 is an abundant number, since it is smaller than the sum of its proper divisors (48765153942048).

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

22131404401200 is a wasteful number, since it uses less digits than its factorization.

22131404401200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596511 (or 596500 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22131404401200 its reverse (210440413122), we get a palindrome (22341844814322).

The spelling of 22131404401200 in words is "twenty-two trillion, one hundred thirty-one billion, four hundred four million, four hundred one thousand, two hundred".