12140406625 has 8 divisors (see below), whose sum is σ = 15151227624. Its totient is φ = 9712325200.

The previous prime is 12140406617. The next prime is 12140406637. The reversal of 12140406625 is 52660404121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2668445649 + 9471960976 = 51657^2 + 97324^2 .

It is not a de Polignac number, because 12140406625 - 2³ = 12140406617 is a prime.

It is a Duffinian number.

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, 48561502 + ... + 48561751.

It is an arithmetic number, because the mean of its divisors is an integer number (1893903453).

Almost surely, 2^12140406625 is an apocalyptic number.

It is an amenable number.

12140406625 is a deficient number, since it is larger than the sum of its proper divisors (3010820999).

12140406625 is an frugal number, since it uses more digits than its factorization.

12140406625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97123268 (or 97123258 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 12140406625 in words is "twelve billion, one hundred forty million, four hundred six thousand, six hundred twenty-five".