12254650625 has 40 divisors (see below), whose sum is σ = 17908317504. Its totient is φ = 8207640000.

The previous prime is 12254650621. The next prime is 12254650633. The reversal of 12254650625 is 52605645221.

It is a happy number.

It is not a de Polignac number, because 12254650625 - 2² = 12254650621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12254650621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 155555 + ... + 220695.

Almost surely, 2^12254650625 is an apocalyptic number.

It is an amenable number.

12254650625 is a deficient number, since it is larger than the sum of its proper divisors (5653666879).

12254650625 is an frugal number, since it uses more digits than its factorization.

12254650625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65211 (or 65196 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 12254650625 in words is "twelve billion, two hundred fifty-four million, six hundred fifty thousand, six hundred twenty-five".