12701226625 has 16 divisors (see below), whose sum is σ = 15867912528. Its totient is φ = 10150224000.

The previous prime is 12701226623. The next prime is 12701226631. The reversal of 12701226625 is 52662210721.

It can be written as a sum of positive squares in 8 ways, for example, as 3150464641 + 9550761984 = 56129^2 + 97728^2 .

It is not a de Polignac number, because 12701226625 - 2¹ = 12701226623 is a prime.

It is a super-2 number, since 2×12701226625² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12701226623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65815 + ... + 172435.

It is an arithmetic number, because the mean of its divisors is an integer number (991744533).

Almost surely, 2^12701226625 is an apocalyptic number.

It is an amenable number.

12701226625 is a deficient number, since it is larger than the sum of its proper divisors (3166685903).

12701226625 is an equidigital number, since it uses as much as digits as its factorization.

12701226625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107589 (or 107579 counting only the distinct ones).

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

The spelling of 12701226625 in words is "twelve billion, seven hundred one million, two hundred twenty-six thousand, six hundred twenty-five".