12500013852 has 48 divisors (see below), whose sum is σ = 32536627200. Its totient is φ = 4150062000.

The previous prime is 12500013839. The next prime is 12500013853. The reversal of 12500013852 is 25831000521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500013853) 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, 203452 + ... + 257667.

It is an arithmetic number, because the mean of its divisors is an integer number (677846400).

Almost surely, 2^12500013852 is an apocalyptic number.

12500013852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12500013852 is an abundant number, since it is smaller than the sum of its proper divisors (20036613348).

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

12500013852 is a wasteful number, since it uses less digits than its factorization.

12500013852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461383 (or 461375 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 12500013852 in words is "twelve billion, five hundred million, thirteen thousand, eight hundred fifty-two".