12133560240 has 100 divisors (see below), whose sum is σ = 42141674784. Its totient is φ = 3235614336.

The previous prime is 12133560233. The next prime is 12133560253. The reversal of 12133560240 is 4206533121.

12133560240 is a `hidden beast` number, since 1 + 2 + 13 + 3 + 5 + 602 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 929752 + ... + 942711.

Almost surely, 2^12133560240 is an apocalyptic number.

12133560240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12133560240 is an abundant number, since it is smaller than the sum of its proper divisors (30008114544).

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

12133560240 is a wasteful number, since it uses less digits than its factorization.

12133560240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872488 (or 1872473 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 12133560240 in words is "twelve billion, one hundred thirty-three million, five hundred sixty thousand, two hundred forty".