12132450625 has 20 divisors (see below), whose sum is σ = 15649790464. Its totient is φ = 9392850000.

The previous prime is 12132450587. The next prime is 12132450641. The reversal of 12132450625 is 52605423121.

It is not a de Polignac number, because 12132450625 - 2²³ = 12124062017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 293721 + ... + 332470.

Almost surely, 2^12132450625 is an apocalyptic number.

It is an amenable number.

12132450625 is a deficient number, since it is larger than the sum of its proper divisors (3517339839).

12132450625 is an frugal number, since it uses more digits than its factorization.

12132450625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626242 (or 626227 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 12132450625 its reverse (52605423121), we get a palindrome (64737873746).

The spelling of 12132450625 in words is "twelve billion, one hundred thirty-two million, four hundred fifty thousand, six hundred twenty-five".