12673133280 has 72 divisors (see below), whose sum is σ = 43247072232. Its totient is φ = 3379501824.

The previous prime is 12673133237. The next prime is 12673133353. The reversal of 12673133280 is 8233137621.

12673133280 is a `hidden beast` number, since 1 + 2 + 67 + 313 + 3 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4398954 + ... + 4401833.

It is an arithmetic number, because the mean of its divisors is an integer number (600653781).

Almost surely, 2^12673133280 is an apocalyptic number.

12673133280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12673133280 is an abundant number, since it is smaller than the sum of its proper divisors (30573938952).

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

12673133280 is a wasteful number, since it uses less digits than its factorization.

12673133280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8800808 (or 8800797 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 12673133280 in words is "twelve billion, six hundred seventy-three million, one hundred thirty-three thousand, two hundred eighty".