12501252315 has 16 divisors (see below), whose sum is σ = 22224448800. Its totient is φ = 6667334496.

The previous prime is 12501252299. The next prime is 12501252319. The reversal of 12501252315 is 51325210521.

12501252315 is a `hidden beast` number, since 125 + 0 + 1 + 2 + 523 + 15 = 666.

It is not a de Polignac number, because 12501252315 - 2⁴ = 12501252299 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (12501252319) 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 15 ways as a sum of consecutive naturals, for example, 46300800 + ... + 46301069.

It is an arithmetic number, because the mean of its divisors is an integer number (1389028050).

Almost surely, 2^12501252315 is an apocalyptic number.

12501252315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12501252315 is a deficient number, since it is larger than the sum of its proper divisors (9723196485).

12501252315 is an equidigital number, since it uses as much as digits as its factorization.

12501252315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92601883 (or 92601877 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 12501252315 its reverse (51325210521), we get a palindrome (63826462836).

The spelling of 12501252315 in words is "twelve billion, five hundred one million, two hundred fifty-two thousand, three hundred fifteen".