12133178331 has 8 divisors (see below), whose sum is σ = 16194840144. Its totient is φ = 8080151040.

The previous prime is 12133178303. The next prime is 12133178389. The reversal of 12133178331 is 13387133121.

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

It is not a de Polignac number, because 12133178331 - 2¹⁴ = 12133161947 is a prime.

It is a super-2 number, since 2×12133178331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12133178292 and 12133178301.

It is not an unprimeable number, because it can be changed into a prime (12133178131) 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, 2155350 + ... + 2160971.

It is an arithmetic number, because the mean of its divisors is an integer number (2024355018).

Almost surely, 2^12133178331 is an apocalyptic number.

12133178331 is a deficient number, since it is larger than the sum of its proper divisors (4061661813).

12133178331 is an equidigital number, since it uses as much as digits as its factorization.

12133178331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317261.

The product of its digits is 9072, while the sum is 33.

The spelling of 12133178331 in words is "twelve billion, one hundred thirty-three million, one hundred seventy-eight thousand, three hundred thirty-one".