122012993 has 16 divisors (see below), whose sum is σ = 129372672. Its totient is φ = 114912000.

The previous prime is 122012977. The next prime is 122013011. The reversal of 122012993 is 399210221.

It is a cyclic number.

It is not a de Polignac number, because 122012993 - 2⁴ = 122012977 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (122012923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213398 + ... + 213968.

It is an arithmetic number, because the mean of its divisors is an integer number (8085792).

Almost surely, 2^122012993 is an apocalyptic number.

It is an amenable number.

122012993 is a deficient number, since it is larger than the sum of its proper divisors (7359679).

122012993 is a wasteful number, since it uses less digits than its factorization.

122012993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 122012993 is about 11045.9491670024. The cubic root of 122012993 is about 495.9851726078.

The spelling of 122012993 in words is "one hundred twenty-two million, twelve thousand, nine hundred ninety-three".