12663222232991 has 8 divisors (see below), whose sum is σ = 13899175325184. Its totient is φ = 11441394319320.

The previous prime is 12663222232979. The next prime is 12663222233021. The reversal of 12663222232991 is 19923222236621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12663222232991 - 2¹⁰ = 12663222231967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663222232391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3531292751 + ... + 3531296336.

It is an arithmetic number, because the mean of its divisors is an integer number (1737396915648).

Almost surely, 2^{12663222232991} is an apocalyptic number.

12663222232991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12663222232991 is a deficient number, since it is larger than the sum of its proper divisors (1235953092193).

12663222232991 is a wasteful number, since it uses less digits than its factorization.

12663222232991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7062589261.

The product of its digits is 1679616, while the sum is 50.

The spelling of 12663222232991 in words is "twelve trillion, six hundred sixty-three billion, two hundred twenty-two million, two hundred thirty-two thousand, nine hundred ninety-one".