12514012521 has 16 divisors (see below), whose sum is σ = 17077589760. Its totient is φ = 8146650960.

The previous prime is 12514012507. The next prime is 12514012543. The reversal of 12514012521 is 12521041521.

It is a happy number.

It is not a de Polignac number, because 12514012521 - 2⁶ = 12514012457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12514012491 and 12514012500.

It is not an unprimeable number, because it can be changed into a prime (12514012561) 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, 658726 + ... + 677456.

It is an arithmetic number, because the mean of its divisors is an integer number (1067349360).

Almost surely, 2^12514012521 is an apocalyptic number.

It is an amenable number.

12514012521 is a deficient number, since it is larger than the sum of its proper divisors (4563577239).

12514012521 is a wasteful number, since it uses less digits than its factorization.

12514012521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23956.

The product of its (nonzero) digits is 800, while the sum is 24.

The spelling of 12514012521 in words is "twelve billion, five hundred fourteen million, twelve thousand, five hundred twenty-one".