12321166302040 has 64 divisors (see below), whose sum is σ = 27788128790400. Its totient is φ = 4916828969472.

The previous prime is 12321166301989. The next prime is 12321166302043. The reversal of 12321166302040 is 4020366112321.

It is a super-2 number, since 2×12321166302040² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12321166301993 and 12321166302011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321166302043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51656494 + ... + 51894466.

It is an arithmetic number, because the mean of its divisors is an integer number (434189512350).

Almost surely, 2^{12321166302040} is an apocalyptic number.

12321166302040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12321166302040 is an abundant number, since it is smaller than the sum of its proper divisors (15466962488360).

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

12321166302040 is a wasteful number, since it uses less digits than its factorization.

12321166302040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241036 (or 241032 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 12321166302040 in words is "twelve trillion, three hundred twenty-one billion, one hundred sixty-six million, three hundred two thousand, forty".