12133178292 has 12 divisors (see below), whose sum is σ = 28310749376. Its totient is φ = 4044392760.

The previous prime is 12133178287. The next prime is 12133178297. The reversal of 12133178292 is 29287133121.

It is an interprime number because it is at equal distance from previous prime (12133178287) and next prime (12133178297).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12133178292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133178297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505549084 + ... + 505549107.

Almost surely, 2^12133178292 is an apocalyptic number.

12133178292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12133178292 is an abundant number, since it is smaller than the sum of its proper divisors (16177571084).

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

12133178292 is a wasteful number, since it uses less digits than its factorization.

12133178292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011098198 (or 1011098196 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The spelling of 12133178292 in words is "twelve billion, one hundred thirty-three million, one hundred seventy-eight thousand, two hundred ninety-two".