12523512212531 has 8 divisors (see below), whose sum is σ = 12607357023744. Its totient is φ = 12439772803080.

The previous prime is 12523512212501. The next prime is 12523512212579. The reversal of 12523512212531 is 13521221532521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12523512212531 - 2²⁶ = 12523445103667 is a prime.

It is a super-2 number, since 2×12523512212531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12523512212491 and 12523512212500.

It is not an unprimeable number, because it can be changed into a prime (12523512212501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26112005 + ... + 26587286.

It is an arithmetic number, because the mean of its divisors is an integer number (1575919627968).

Almost surely, 2^{12523512212531} is an apocalyptic number.

12523512212531 is a deficient number, since it is larger than the sum of its proper divisors (83844811213).

12523512212531 is a wasteful number, since it uses less digits than its factorization.

12523512212531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52700881.

The product of its digits is 36000, while the sum is 35.

The spelling of 12523512212531 in words is "twelve trillion, five hundred twenty-three billion, five hundred twelve million, two hundred twelve thousand, five hundred thirty-one".