12025515039 has 16 divisors (see below), whose sum is σ = 16083596928. Its totient is φ = 7992261792.

The previous prime is 12025515023. The next prime is 12025515043. The reversal of 12025515039 is 93051552021.

It is not a de Polignac number, because 12025515039 - 2⁴ = 12025515023 is a prime.

It is a super-2 number, since 2×12025515039² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12025517039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381569 + ... + 1390245.

It is an arithmetic number, because the mean of its divisors is an integer number (1005224808).

Almost surely, 2^12025515039 is an apocalyptic number.

12025515039 is a deficient number, since it is larger than the sum of its proper divisors (4058081889).

12025515039 is an equidigital number, since it uses as much as digits as its factorization.

12025515039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10054.

The product of its (nonzero) digits is 13500, while the sum is 33.

The spelling of 12025515039 in words is "twelve billion, twenty-five million, five hundred fifteen thousand, thirty-nine".