12522557460 has 96 divisors (see below), whose sum is σ = 41814484992. Its totient is φ = 2737848960.

The previous prime is 12522557431. The next prime is 12522557491. The reversal of 12522557460 is 6475522521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 638506 + ... + 657825.

It is an arithmetic number, because the mean of its divisors is an integer number (435567552).

Almost surely, 2^12522557460 is an apocalyptic number.

12522557460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12522557460 is an abundant number, since it is smaller than the sum of its proper divisors (29291927532).

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

12522557460 is a wasteful number, since it uses less digits than its factorization.

12522557460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296373 (or 1296371 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 12522557460 in words is "twelve billion, five hundred twenty-two million, five hundred fifty-seven thousand, four hundred sixty".