12515230101 has 16 divisors (see below), whose sum is σ = 18547444800. Its totient is φ = 7441873920.

The previous prime is 12515230081. The next prime is 12515230129. The reversal of 12515230101 is 10103251521.

It is not a de Polignac number, because 12515230101 - 2¹⁸ = 12514967957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12515230201) 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, 3576076 + ... + 3579573.

It is an arithmetic number, because the mean of its divisors is an integer number (1159215300).

Almost surely, 2^12515230101 is an apocalyptic number.

12515230101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12515230101 is a deficient number, since it is larger than the sum of its proper divisors (6032214699).

12515230101 is a wasteful number, since it uses less digits than its factorization.

12515230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7155716.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 12515230101 its reverse (10103251521), we get a palindrome (22618481622).

The spelling of 12515230101 in words is "twelve billion, five hundred fifteen million, two hundred thirty thousand, one hundred one".