422120402124 has 24 divisors (see below), whose sum is σ = 1008970718448. Its totient is φ = 137274927360.

The previous prime is 422120402107. The next prime is 422120402153. The reversal of 422120402124 is 421204021224.

It is a happy number.

It is a super-2 number, since 2×422120402124² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422120402094 and 422120402103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428983657 + ... + 428984640.

It is an arithmetic number, because the mean of its divisors is an integer number (42040446602).

Almost surely, 2^422120402124 is an apocalyptic number.

It is an amenable number.

422120402124 is an abundant number, since it is smaller than the sum of its proper divisors (586850316324).

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

422120402124 is a wasteful number, since it uses less digits than its factorization.

422120402124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857968345 (or 857968343 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 422120402124 its reverse (421204021224), we get a palindrome (843324423348).

The spelling of 422120402124 in words is "four hundred twenty-two billion, one hundred twenty million, four hundred two thousand, one hundred twenty-four".