12535214131 has 24 divisors (see below), whose sum is σ = 13959414000. Its totient is φ = 11246664000.

The previous prime is 12535214119. The next prime is 12535214137. The reversal of 12535214131 is 13141253521.

It is not a de Polignac number, because 12535214131 - 2²³ = 12526825523 is a prime.

It is a super-2 number, since 2×12535214131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12535214131.

It is not an unprimeable number, because it can be changed into a prime (12535214137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4263660 + ... + 4266598.

It is an arithmetic number, because the mean of its divisors is an integer number (581642250).

Almost surely, 2^12535214131 is an apocalyptic number.

12535214131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12535214131 is a deficient number, since it is larger than the sum of its proper divisors (1424199869).

12535214131 is a wasteful number, since it uses less digits than its factorization.

12535214131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411 (or 3400 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

Adding to 12535214131 its reverse (13141253521), we get a palindrome (25676467652).

The spelling of 12535214131 in words is "twelve billion, five hundred thirty-five million, two hundred fourteen thousand, one hundred thirty-one".