12452535220 has 48 divisors (see below), whose sum is σ = 26554324608. Its totient is φ = 4904251520.

The previous prime is 12452535187. The next prime is 12452535253. The reversal of 12452535220 is 2253525421.

It is an interprime number because it is at equal distance from previous prime (12452535187) and next prime (12452535253).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126239 + ... + 1137241.

It is an arithmetic number, because the mean of its divisors is an integer number (553215096).

Almost surely, 2^12452535220 is an apocalyptic number.

12452535220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12452535220 is an abundant number, since it is smaller than the sum of its proper divisors (14101789388).

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

12452535220 is a wasteful number, since it uses less digits than its factorization.

12452535220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11880 (or 11878 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 12452535220 in words is "twelve billion, four hundred fifty-two million, five hundred thirty-five thousand, two hundred twenty".