12717008025 has 24 divisors (see below), whose sum is σ = 21034754880. Its totient is φ = 6779403840.

The previous prime is 12717008021. The next prime is 12717008027. The reversal of 12717008025 is 52080071721.

It is not a de Polignac number, because 12717008025 - 2² = 12717008021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12717008021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138636 + ... + 211314.

It is an arithmetic number, because the mean of its divisors is an integer number (876448120).

Almost surely, 2^12717008025 is an apocalyptic number.

12717008025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12717008025 is a deficient number, since it is larger than the sum of its proper divisors (8317746855).

12717008025 is a wasteful number, since it uses less digits than its factorization.

12717008025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75025 (or 75020 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

Adding to 12717008025 its reverse (52080071721), we get a palindrome (64797079746).

The spelling of 12717008025 in words is "twelve billion, seven hundred seventeen million, eight thousand, twenty-five".