12452252015 has 32 divisors (see below), whose sum is σ = 17994577920. Its totient is φ = 8081005824.

The previous prime is 12452251967. The next prime is 12452252017. The reversal of 12452252015 is 51025225421.

12452252015 = 13303² + 13304² + ... + 13372².

It is a happy number.

It is not a de Polignac number, because 12452252015 - 2⁶ = 12452251951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12452252017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 677882 + ... + 696008.

It is an arithmetic number, because the mean of its divisors is an integer number (562330560).

Almost surely, 2^12452252015 is an apocalyptic number.

12452252015 is a deficient number, since it is larger than the sum of its proper divisors (5542325905).

12452252015 is a wasteful number, since it uses less digits than its factorization.

12452252015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19191.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 12452252015 its reverse (51025225421), we get a palindrome (63477477436).

The spelling of 12452252015 in words is "twelve billion, four hundred fifty-two million, two hundred fifty-two thousand, fifteen".