122001120122 has 24 divisors (see below), whose sum is σ = 213960146004. Its totient is φ = 52020773952.

The previous prime is 122001120113. The next prime is 122001120149. The reversal of 122001120122 is 221021100221.

It can be written as a sum of positive squares in 2 ways, for example, as 108346963921 + 13654156201 = 329161^2 + 116851^2 .

It is a super-2 number, since 2×122001120122² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 122001120097 and 122001120106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3140363 + ... + 3178974.

Almost surely, 2^122001120122 is an apocalyptic number.

122001120122 is a deficient number, since it is larger than the sum of its proper divisors (91959025882).

122001120122 is a wasteful number, since it uses less digits than its factorization.

122001120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319550 (or 6319543 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122001120122 its reverse (221021100221), we get a palindrome (343022220343).

The spelling of 122001120122 in words is "one hundred twenty-two billion, one million, one hundred twenty thousand, one hundred twenty-two".