12135264712 has 32 divisors (see below), whose sum is σ = 23715694080. Its totient is φ = 5814881280.

The previous prime is 12135264707. The next prime is 12135264767. The reversal of 12135264712 is 21746253121.

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, 211993 + ... + 263080.

It is an arithmetic number, because the mean of its divisors is an integer number (741115440).

Almost surely, 2^12135264712 is an apocalyptic number.

It is an amenable number.

12135264712 is a deficient number, since it is larger than the sum of its proper divisors (11580429368).

12135264712 is a wasteful number, since it uses less digits than its factorization.

12135264712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475213 (or 475209 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The spelling of 12135264712 in words is "twelve billion, one hundred thirty-five million, two hundred sixty-four thousand, seven hundred twelve".