122200420122 has 40 divisors (see below), whose sum is σ = 298712142432. Its totient is φ = 37030429800.

The previous prime is 122200420117. The next prime is 122200420123. The reversal of 122200420122 is 221024002221.

122200420122 is a `hidden beast` number, since 1 + 2 + 220 + 0 + 420 + 1 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122200420095 and 122200420104.

It is not an unprimeable number, because it can be changed into a prime (122200420123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34285654 + ... + 34289217.

Almost surely, 2^122200420122 is an apocalyptic number.

122200420122 is an abundant number, since it is smaller than the sum of its proper divisors (176511722310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122200420122 is a wasteful number, since it uses less digits than its factorization.

122200420122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68574896 (or 68574887 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 122200420122 its reverse (221024002221), we get a palindrome (343224422343).

The spelling of 122200420122 in words is "one hundred twenty-two billion, two hundred million, four hundred twenty thousand, one hundred twenty-two".