12452255520 has 96 divisors (see below), whose sum is σ = 39810149568. Its totient is φ = 3271031808.

The previous prime is 12452255503. The next prime is 12452255527. The reversal of 12452255520 is 2555225421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (12452255527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161439 + ... + 225758.

It is an arithmetic number, because the mean of its divisors is an integer number (414689058).

Almost surely, 2^12452255520 is an apocalyptic number.

12452255520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12452255520 is an abundant number, since it is smaller than the sum of its proper divisors (27357894048).

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

12452255520 is a wasteful number, since it uses less digits than its factorization.

12452255520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387282 (or 387274 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 12452255520 in words is "twelve billion, four hundred fifty-two million, two hundred fifty-five thousand, five hundred twenty".