12406532051 has 16 divisors (see below), whose sum is σ = 13843234368. Its totient is φ = 11058432000.

The previous prime is 12406532023. The next prime is 12406532059. The reversal of 12406532051 is 15023560421.

It is not a de Polignac number, because 12406532051 - 2¹⁸ = 12406269907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12406532059) 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, 117590 + ... + 196571.

It is an arithmetic number, because the mean of its divisors is an integer number (865202148).

Almost surely, 2^12406532051 is an apocalyptic number.

12406532051 is a deficient number, since it is larger than the sum of its proper divisors (1436702317).

12406532051 is a wasteful number, since it uses less digits than its factorization.

12406532051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314302.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 12406532051 in words is "twelve billion, four hundred six million, five hundred thirty-two thousand, fifty-one".