12734285672 has 16 divisors (see below), whose sum is σ = 23888760000. Its totient is φ = 6363949680.

The previous prime is 12734285657. The next prime is 12734285677. The reversal of 12734285672 is 27658243721.

It is a super-2 number, since 2×12734285672² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12734285677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382154 + ... + 414137.

It is an arithmetic number, because the mean of its divisors is an integer number (1493047500).

Almost surely, 2^12734285672 is an apocalyptic number.

It is an amenable number.

12734285672 is a deficient number, since it is larger than the sum of its proper divisors (11154474328).

12734285672 is a wasteful number, since it uses less digits than its factorization.

12734285672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798296 (or 798292 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The spelling of 12734285672 in words is "twelve billion, seven hundred thirty-four million, two hundred eighty-five thousand, six hundred seventy-two".