22131235160012 has 24 divisors (see below), whose sum is σ = 42251440637952. Its totient is φ = 10059437872400.

The previous prime is 22131235159991. The next prime is 22131235160033. The reversal of 22131235160012 is 21006153213122.

It is an interprime number because it is at equal distance from previous prime (22131235159991) and next prime (22131235160033).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3265388 + ... + 7411155.

It is an arithmetic number, because the mean of its divisors is an integer number (1760476693248).

Almost surely, 2^{22131235160012} is an apocalyptic number.

22131235160012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22131235160012 is a deficient number, since it is larger than the sum of its proper divisors (20120205477940).

22131235160012 is a wasteful number, since it uses less digits than its factorization.

22131235160012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10723669 (or 10723667 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 22131235160012 its reverse (21006153213122), we get a palindrome (43137388373134).

The spelling of 22131235160012 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred thirty-five million, one hundred sixty thousand, twelve".