12520707075 has 36 divisors (see below), whose sum is σ = 22760721048. Its totient is φ = 6578035200.

The previous prime is 12520707071. The next prime is 12520707083. The reversal of 12520707075 is 57070702521.

It is not a de Polignac number, because 12520707075 - 2² = 12520707071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12520707071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 400206 + ... + 430355.

Almost surely, 2^12520707075 is an apocalyptic number.

12520707075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12520707075 is a deficient number, since it is larger than the sum of its proper divisors (10240013973).

12520707075 is a wasteful number, since it uses less digits than its factorization.

12520707075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830644 (or 830636 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The spelling of 12520707075 in words is "twelve billion, five hundred twenty million, seven hundred seven thousand, seventy-five".