12518334852 has 12 divisors (see below), whose sum is σ = 29209448016. Its totient is φ = 4172778280.

The previous prime is 12518334827. The next prime is 12518334883. The reversal of 12518334852 is 25843381521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521597274 + ... + 521597297.

It is an arithmetic number, because the mean of its divisors is an integer number (2434120668).

Almost surely, 2^12518334852 is an apocalyptic number.

12518334852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12518334852 is an abundant number, since it is smaller than the sum of its proper divisors (16691113164).

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

12518334852 is a wasteful number, since it uses less digits than its factorization.

12518334852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043194578 (or 1043194576 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The spelling of 12518334852 in words is "twelve billion, five hundred eighteen million, three hundred thirty-four thousand, eight hundred fifty-two".