12213289767691 has 2 divisors, whose sum is σ = 12213289767692. Its totient is φ = 12213289767690.

The previous prime is 12213289767641. The next prime is 12213289767709. The reversal of 12213289767691 is 19676798231221.

It is a strong prime.

It is an emirp because it is prime and its reverse (19676798231221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12213289767691 - 2⁷ = 12213289767563 is a prime.

It is not a weakly prime, because it can be changed into another prime (12213289767641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106644883845 + 6106644883846.

It is an arithmetic number, because the mean of its divisors is an integer number (6106644883846).

Almost surely, 2^{12213289767691} is an apocalyptic number.

12213289767691 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213289767691 is an equidigital number, since it uses as much as digits as its factorization.

12213289767691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 64.

The spelling of 12213289767691 in words is "twelve trillion, two hundred thirteen billion, two hundred eighty-nine million, seven hundred sixty-seven thousand, six hundred ninety-one".