122117667129 has 12 divisors (see below), whose sum is σ = 176872823296. Its totient is φ = 81189945432.

The previous prime is 122117667127. The next prime is 122117667149. The reversal of 122117667129 is 921766711221.

It is not a de Polignac number, because 122117667129 - 2¹ = 122117667127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122117667127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18482569 + ... + 18489174.

Almost surely, 2^122117667129 is an apocalyptic number.

It is an amenable number.

122117667129 is a deficient number, since it is larger than the sum of its proper divisors (54755156167).

122117667129 is a wasteful number, since it uses less digits than its factorization.

122117667129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36972116 (or 36972113 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The spelling of 122117667129 in words is "one hundred twenty-two billion, one hundred seventeen million, six hundred sixty-seven thousand, one hundred twenty-nine".