12522724044 has 24 divisors (see below), whose sum is σ = 29237264448. Its totient is φ = 4171730640.

The previous prime is 12522724031. The next prime is 12522724061. The reversal of 12522724044 is 44042722521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12522723996 and 12522724014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293002 + ... + 333009.

It is an arithmetic number, because the mean of its divisors is an integer number (1218219352).

Almost surely, 2^12522724044 is an apocalyptic number.

It is an amenable number.

12522724044 is an abundant number, since it is smaller than the sum of its proper divisors (16714540404).

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

12522724044 is a wasteful number, since it uses less digits than its factorization.

12522724044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627685 (or 627683 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 33.

The spelling of 12522724044 in words is "twelve billion, five hundred twenty-two million, seven hundred twenty-four thousand, forty-four".