122112021204 has 48 divisors (see below), whose sum is σ = 316671163200. Its totient is φ = 40693150368.

The previous prime is 122112021133. The next prime is 122112021209. The reversal of 122112021204 is 402120211221.

It is a super-2 number, since 2×122112021204² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112021209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261187 + ... + 558965.

It is an arithmetic number, because the mean of its divisors is an integer number (6597315900).

Almost surely, 2^122112021204 is an apocalyptic number.

It is an amenable number.

122112021204 is an abundant number, since it is smaller than the sum of its proper divisors (194559141996).

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

122112021204 is a wasteful number, since it uses less digits than its factorization.

122112021204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301589 (or 301581 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122112021204 its reverse (402120211221), we get a palindrome (524232232425).

The spelling of 122112021204 in words is "one hundred twenty-two billion, one hundred twelve million, twenty-one thousand, two hundred four".