12102866825 has 24 divisors (see below), whose sum is σ = 17157562560. Its totient is φ = 8296171200.

The previous prime is 12102866813. The next prime is 12102866837. The reversal of 12102866825 is 52866820121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12102866813) and next prime (12102866837).

It is not a de Polignac number, because 12102866825 - 2⁶ = 12102866761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 559715 + ... + 580935.

It is an arithmetic number, because the mean of its divisors is an integer number (714898440).

Almost surely, 2^12102866825 is an apocalyptic number.

It is an amenable number.

12102866825 is a deficient number, since it is larger than the sum of its proper divisors (5054695735).

12102866825 is a wasteful number, since it uses less digits than its factorization.

12102866825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24497 (or 24492 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 12102866825 in words is "twelve billion, one hundred two million, eight hundred sixty-six thousand, eight hundred twenty-five".