12321166301993 has 32 divisors (see below), whose sum is σ = 13676221440000. Its totient is φ = 11054283008832.

The previous prime is 12321166301989. The next prime is 12321166302043. The reversal of 12321166301993 is 39910366112321.

It is a cyclic number.

It is not a de Polignac number, because 12321166301993 - 2² = 12321166301989 is a prime.

It is a super-2 number, since 2×12321166301993² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321166301903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5387768 + ... + 7326006.

It is an arithmetic number, because the mean of its divisors is an integer number (427381920000).

Almost surely, 2^{12321166301993} is an apocalyptic number.

It is an amenable number.

12321166301993 is a deficient number, since it is larger than the sum of its proper divisors (1355055138007).

12321166301993 is a wasteful number, since it uses less digits than its factorization.

12321166301993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938509.

The product of its (nonzero) digits is 314928, while the sum is 47.

The spelling of 12321166301993 in words is "twelve trillion, three hundred twenty-one billion, one hundred sixty-six million, three hundred one thousand, nine hundred ninety-three".