122112831684691 has 2 divisors, whose sum is σ = 122112831684692. Its totient is φ = 122112831684690.

The previous prime is 122112831684667. The next prime is 122112831684733. The reversal of 122112831684691 is 196486138211221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122112831684691 - 2⁷ = 122112831684563 is a prime.

It is not a weakly prime, because it can be changed into another prime (122112831684631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056415842345 + 61056415842346.

It is an arithmetic number, because the mean of its divisors is an integer number (61056415842346).

Almost surely, 2^{122112831684691} is an apocalyptic number.

122112831684691 is a deficient number, since it is larger than the sum of its proper divisors (1).

122112831684691 is an equidigital number, since it uses as much as digits as its factorization.

122112831684691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 55.

The spelling of 122112831684691 in words is "one hundred twenty-two trillion, one hundred twelve billion, eight hundred thirty-one million, six hundred eighty-four thousand, six hundred ninety-one".