12518068818 has 16 divisors (see below), whose sum is σ = 25201941696. Its totient is φ = 4145055600.

The previous prime is 12518068807. The next prime is 12518068831. The reversal of 12518068818 is 81886081521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6907521 + ... + 6909332.

It is an arithmetic number, because the mean of its divisors is an integer number (1575121356).

Almost surely, 2^12518068818 is an apocalyptic number.

12518068818 is an abundant number, since it is smaller than the sum of its proper divisors (12683872878).

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

12518068818 is a wasteful number, since it uses less digits than its factorization.

12518068818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13817009.

The product of its (nonzero) digits is 245760, while the sum is 48.

The spelling of 12518068818 in words is "twelve billion, five hundred eighteen million, sixty-eight thousand, eight hundred eighteen".