12025526004 has 30 divisors (see below), whose sum is σ = 31437101234. Its totient is φ = 4008508560.

The previous prime is 12025525991. The next prime is 12025526041. The reversal of 12025526004 is 40062552021.

12025526004 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 5 + 52 + 600 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11489696100 + 535829904 = 107190^2 + 23148^2 .

It is a super-2 number, since 2×12025526004² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18557587 + ... + 18558234.

Almost surely, 2^12025526004 is an apocalyptic number.

It is an amenable number.

12025526004 is an abundant number, since it is smaller than the sum of its proper divisors (19411575230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12025526004 is a wasteful number, since it uses less digits than its factorization.

12025526004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37115837 (or 37115826 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 12025526004 in words is "twelve billion, twenty-five million, five hundred twenty-six thousand, four".