22031310123012 has 12 divisors (see below), whose sum is σ = 51406390287056. Its totient is φ = 7343770041000.

The previous prime is 22031310122977. The next prime is 22031310123047. The reversal of 22031310123012 is 21032101313022.

It is an interprime number because it is at equal distance from previous prime (22031310122977) and next prime (22031310123047).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22031310123012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917971255114 + ... + 917971255137.

Almost surely, 2^{22031310123012} is an apocalyptic number.

It is an amenable number.

22031310123012 is an abundant number, since it is smaller than the sum of its proper divisors (29375080164044).

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

22031310123012 is a wasteful number, since it uses less digits than its factorization.

22031310123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835942510258 (or 1835942510256 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 22031310123012 its reverse (21032101313022), we get a palindrome (43063411436034).

The spelling of 22031310123012 in words is "twenty-two trillion, thirty-one billion, three hundred ten million, one hundred twenty-three thousand, twelve".