12210133309991 has 2 divisors, whose sum is σ = 12210133309992. Its totient is φ = 12210133309990.

The previous prime is 12210133309987. The next prime is 12210133310003. The reversal of 12210133309991 is 19990333101221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12210133309991 - 2² = 12210133309987 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210133309291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105066654995 + 6105066654996.

It is an arithmetic number, because the mean of its divisors is an integer number (6105066654996).

Almost surely, 2^{12210133309991} is an apocalyptic number.

12210133309991 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210133309991 is an equidigital number, since it uses as much as digits as its factorization.

12210133309991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 12210133309991 in words is "twelve trillion, two hundred ten billion, one hundred thirty-three million, three hundred nine thousand, nine hundred ninety-one".