115212412312051 has 16 divisors (see below), whose sum is σ = 121461976903680. Its totient is φ = 109121265239040.

The previous prime is 115212412311991. The next prime is 115212412312057. The reversal of 115212412312051 is 150213214212511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115212412312051 - 2²³ = 115212403923443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115212412312057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68314675 + ... + 69980851.

It is an arithmetic number, because the mean of its divisors is an integer number (7591373556480).

Almost surely, 2^{115212412312051} is an apocalyptic number.

115212412312051 is a deficient number, since it is larger than the sum of its proper divisors (6249564591629).

115212412312051 is a wasteful number, since it uses less digits than its factorization.

115212412312051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713714.

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 115212412312051 its reverse (150213214212511), we get a palindrome (265425626524562).

The spelling of 115212412312051 in words is "one hundred fifteen trillion, two hundred twelve billion, four hundred twelve million, three hundred twelve thousand, fifty-one".