122012113 has 4 divisors (see below), whose sum is σ = 124849648. Its totient is φ = 119174580.

The previous prime is 122012101. The next prime is 122012117. The reversal of 122012113 is 311210221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122012113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122012093 and 122012102.

It is not an unprimeable number, because it can be changed into a prime (122012117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418703 + ... + 1418788.

It is an arithmetic number, because the mean of its divisors is an integer number (31212412).

Almost surely, 2^122012113 is an apocalyptic number.

It is an amenable number.

122012113 is a deficient number, since it is larger than the sum of its proper divisors (2837535).

122012113 is an equidigital number, since it uses as much as digits as its factorization.

122012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837534.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 122012113 is about 11045.9093333234. The cubic root of 122012113 is about 495.9839801993.

Adding to 122012113 its reverse (311210221), we get a palindrome (433222334).

The spelling of 122012113 in words is "one hundred twenty-two million, twelve thousand, one hundred thirteen".