122112012221197 has 2 divisors, whose sum is σ = 122112012221198. Its totient is φ = 122112012221196.

The previous prime is 122112012221189. The next prime is 122112012221317. The reversal of 122112012221197 is 791122210211221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73791982731076 + 48320029490121 = 8590226^2 + 6951261^2 .

It is a cyclic number.

It is not a de Polignac number, because 122112012221197 - 2³ = 122112012221189 is a prime.

It is a super-2 number, since 2×122112012221197² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122112012221117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056006110598 + 61056006110599.

It is an arithmetic number, because the mean of its divisors is an integer number (61056006110599).

Almost surely, 2^{122112012221197} is an apocalyptic number.

It is an amenable number.

122112012221197 is a deficient number, since it is larger than the sum of its proper divisors (1).

122112012221197 is an equidigital number, since it uses as much as digits as its factorization.

122112012221197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 122112012221197 in words is "one hundred twenty-two trillion, one hundred twelve billion, twelve million, two hundred twenty-one thousand, one hundred ninety-seven".