12133878260 has 24 divisors (see below), whose sum is σ = 29121308160. Its totient is φ = 4160186784.

The previous prime is 12133878233. The next prime is 12133878269. The reversal of 12133878260 is 6287833121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133878269) 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, 43335140 + ... + 43335419.

It is an arithmetic number, because the mean of its divisors is an integer number (1213387840).

Almost surely, 2^12133878260 is an apocalyptic number.

12133878260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12133878260 is an abundant number, since it is smaller than the sum of its proper divisors (16987429900).

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

12133878260 is a wasteful number, since it uses less digits than its factorization.

12133878260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86670575 (or 86670573 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 12133878260 in words is "twelve billion, one hundred thirty-three million, eight hundred seventy-eight thousand, two hundred sixty".