12534643623322 has 32 divisors (see below), whose sum is σ = 20323747584000. Its totient is φ = 5779565483328.

The previous prime is 12534643623287. The next prime is 12534643623389. The reversal of 12534643623322 is 22332634643521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24247197 + ... + 24758752.

It is an arithmetic number, because the mean of its divisors is an integer number (635117112000).

Almost surely, 2^{12534643623322} is an apocalyptic number.

12534643623322 is a deficient number, since it is larger than the sum of its proper divisors (7789103960678).

12534643623322 is a wasteful number, since it uses less digits than its factorization.

12534643623322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49006150.

The product of its digits is 3732480, while the sum is 46.

The spelling of 12534643623322 in words is "twelve trillion, five hundred thirty-four billion, six hundred forty-three million, six hundred twenty-three thousand, three hundred twenty-two".