12131214541512 has 32 divisors (see below), whose sum is σ = 33085130568480. Its totient is φ = 3676125618560.

The previous prime is 12131214541493. The next prime is 12131214541553. The reversal of 12131214541512 is 21514541213121.

It is a happy number.

It is a super-2 number, since 2×12131214541512² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22975784853 + ... + 22975785380.

It is an arithmetic number, because the mean of its divisors is an integer number (1033910330265).

Almost surely, 2^{12131214541512} is an apocalyptic number.

12131214541512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12131214541512 is an abundant number, since it is smaller than the sum of its proper divisors (20953916026968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12131214541512 is a wasteful number, since it uses less digits than its factorization.

12131214541512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45951570253 (or 45951570249 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

Adding to 12131214541512 its reverse (21514541213121), we get a palindrome (33645755754633).

The spelling of 12131214541512 in words is "twelve trillion, one hundred thirty-one billion, two hundred fourteen million, five hundred forty-one thousand, five hundred twelve".