12452555513530 has 48 divisors (see below), whose sum is σ = 25708732705152. Its totient is φ = 4331323647200.

The previous prime is 12452555513509. The next prime is 12452555513617. The reversal of 12452555513530 is 3531555525421.

It is a super-2 number, since 2×12452555513530² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223697566 + ... + 223753225.

It is an arithmetic number, because the mean of its divisors is an integer number (535598598024).

Almost surely, 2^{12452555513530} is an apocalyptic number.

12452555513530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12452555513530 is an abundant number, since it is smaller than the sum of its proper divisors (13256177191622).

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

12452555513530 is a wasteful number, since it uses less digits than its factorization.

12452555513530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447450843 (or 447450832 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 46.

The spelling of 12452555513530 in words is "twelve trillion, four hundred fifty-two billion, five hundred fifty-five million, five hundred thirteen thousand, five hundred thirty".