12108025028 has 24 divisors (see below), whose sum is σ = 23119884480. Its totient is φ = 5502561120.

The previous prime is 12108025009. The next prime is 12108025057. The reversal of 12108025028 is 82052080121.

It is a happy 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, 224393 + ... + 273071.

It is an arithmetic number, because the mean of its divisors is an integer number (963328520).

Almost surely, 2^12108025028 is an apocalyptic number.

It is an amenable number.

12108025028 is a deficient number, since it is larger than the sum of its proper divisors (11011859452).

12108025028 is a wasteful number, since it uses less digits than its factorization.

12108025028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54347 (or 54345 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The spelling of 12108025028 in words is "twelve billion, one hundred eight million, twenty-five thousand, twenty-eight".