12870512530 has 32 divisors (see below), whose sum is σ = 23883704064. Its totient is φ = 4989980736.

The previous prime is 12870512491. The next prime is 12870512597. The reversal of 12870512530 is 3521507821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31179 + ... + 163441.

It is an arithmetic number, because the mean of its divisors is an integer number (746365752).

Almost surely, 2^12870512530 is an apocalyptic number.

12870512530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12870512530 is a deficient number, since it is larger than the sum of its proper divisors (11013191534).

12870512530 is a wasteful number, since it uses less digits than its factorization.

12870512530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132570.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 12870512530 in words is "twelve billion, eight hundred seventy million, five hundred twelve thousand, five hundred thirty".