122011042212197 has 4 divisors (see below), whose sum is σ = 122395935090156. Its totient is φ = 121626149334240.

The previous prime is 122011042212149. The next prime is 122011042212203. The reversal of 122011042212197 is 791212240110221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30577018063201 + 91434024148996 = 5529649^2 + 9562114^2 .

It is a cyclic number.

It is not a de Polignac number, because 122011042212197 - 2⁸ = 122011042211941 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 (122011042214197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192446438504 + ... + 192446439137.

It is an arithmetic number, because the mean of its divisors is an integer number (30598983772539).

Almost surely, 2^{122011042212197} is an apocalyptic number.

It is an amenable number.

122011042212197 is a deficient number, since it is larger than the sum of its proper divisors (384892877959).

122011042212197 is an equidigital number, since it uses as much as digits as its factorization.

122011042212197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384892877958.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 122011042212197 in words is "one hundred twenty-two trillion, eleven billion, forty-two million, two hundred twelve thousand, one hundred ninety-seven".