12651432354 has 24 divisors (see below), whose sum is σ = 29903386032. Its totient is φ = 3833767320.

The previous prime is 12651432349. The next prime is 12651432377. The reversal of 12651432354 is 45323415621.

12651432354 is a `hidden beast` number, since 1 + 265 + 1 + 43 + 2 + 354 = 666.

12651432354 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31947864 + ... + 31948259.

It is an arithmetic number, because the mean of its divisors is an integer number (1245974418).

Almost surely, 2^12651432354 is an apocalyptic number.

12651432354 is an abundant number, since it is smaller than the sum of its proper divisors (17251953678).

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

12651432354 is a wasteful number, since it uses less digits than its factorization.

12651432354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63896142 (or 63896139 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 12651432354 its reverse (45323415621), we get a palindrome (57974847975).

The spelling of 12651432354 in words is "twelve billion, six hundred fifty-one million, four hundred thirty-two thousand, three hundred fifty-four".