12522553442 has 8 divisors (see below), whose sum is σ = 21467234496. Its totient is φ = 5366808612.

The previous prime is 12522553409. The next prime is 12522553451. The reversal of 12522553442 is 24435522521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447234038 + ... + 447234065.

It is an arithmetic number, because the mean of its divisors is an integer number (2683404312).

Almost surely, 2^12522553442 is an apocalyptic number.

12522553442 is a deficient number, since it is larger than the sum of its proper divisors (8944681054).

12522553442 is an equidigital number, since it uses as much as digits as its factorization.

12522553442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894468112.

The product of its digits is 96000, while the sum is 35.

The spelling of 12522553442 in words is "twelve billion, five hundred twenty-two million, five hundred fifty-three thousand, four hundred forty-two".