122112020122 has 8 divisors (see below), whose sum is σ = 183169597716. Its totient is φ = 61055487552.

The previous prime is 122112020111. The next prime is 122112020123. The reversal of 122112020122 is 221020211221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119978411641 + 2133608481 = 346379^2 + 46191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122112020122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122112020096 and 122112020105.

It is not an unprimeable number, because it can be changed into a prime (122112020123) 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, 179778 + ... + 525874.

Almost surely, 2^122112020122 is an apocalyptic number.

122112020122 is a deficient number, since it is larger than the sum of its proper divisors (61057577594).

122112020122 is a wasteful number, since it uses less digits than its factorization.

122112020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522512.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122112020122 its reverse (221020211221), we get a palindrome (343132231343).

The spelling of 122112020122 in words is "one hundred twenty-two billion, one hundred twelve million, twenty thousand, one hundred twenty-two".