12571134730 has 96 divisors (see below), whose sum is σ = 30226944960. Its totient is φ = 3712020480.

The previous prime is 12571134727. The next prime is 12571134731. The reversal of 12571134730 is 3743117521.

It is not an unprimeable number, because it can be changed into a prime (12571134731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41034 + ... + 163786.

It is an arithmetic number, because the mean of its divisors is an integer number (314864010).

Almost surely, 2^12571134730 is an apocalyptic number.

12571134730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12571134730 is an abundant number, since it is smaller than the sum of its proper divisors (17655810230).

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

12571134730 is a wasteful number, since it uses less digits than its factorization.

12571134730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122804 (or 122797 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 12571134730 in words is "twelve billion, five hundred seventy-one million, one hundred thirty-four thousand, seven hundred thirty".