12214177385591 has 2 divisors, whose sum is σ = 12214177385592. Its totient is φ = 12214177385590.

The previous prime is 12214177385561. The next prime is 12214177385653. The reversal of 12214177385591 is 19558377141221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12214177385591 - 2²⁶ = 12214110276727 is a prime.

It is a super-2 number, since 2×12214177385591² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12214177385521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107088692795 + 6107088692796.

It is an arithmetic number, because the mean of its divisors is an integer number (6107088692796).

Almost surely, 2^{12214177385591} is an apocalyptic number.

12214177385591 is a deficient number, since it is larger than the sum of its proper divisors (1).

12214177385591 is an equidigital number, since it uses as much as digits as its factorization.

12214177385591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 56.

The spelling of 12214177385591 in words is "twelve trillion, two hundred fourteen billion, one hundred seventy-seven million, three hundred eighty-five thousand, five hundred ninety-one".