12651253446 has 16 divisors (see below), whose sum is σ = 27248853744. Its totient is φ = 3892693344.

The previous prime is 12651253429. The next prime is 12651253487. The reversal of 12651253446 is 64435215621.

12651253446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81097701 + ... + 81097856.

It is an arithmetic number, because the mean of its divisors is an integer number (1703053359).

Almost surely, 2^12651253446 is an apocalyptic number.

12651253446 is an abundant number, since it is smaller than the sum of its proper divisors (14597600298).

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

12651253446 is a wasteful number, since it uses less digits than its factorization.

12651253446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162195575.

The product of its digits is 172800, while the sum is 39.

The spelling of 12651253446 in words is "twelve billion, six hundred fifty-one million, two hundred fifty-three thousand, four hundred forty-six".