420312324122 has 24 divisors (see below), whose sum is σ = 654061106556. Its totient is φ = 202566742784.

The previous prime is 420312324083. The next prime is 420312324161. The reversal of 420312324122 is 221423213024.

It is an interprime number because it is at equal distance from previous prime (420312324083) and next prime (420312324161).

It can be written as a sum of positive squares in 6 ways, for example, as 375681959041 + 44630365081 = 612929^2 + 211259^2 .

It is a junction number, because it is equal to n+sod(n) for n = 420312324091 and 420312324100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 786728 + ... + 1208124.

Almost surely, 2^420312324122 is an apocalyptic number.

420312324122 is a deficient number, since it is larger than the sum of its proper divisors (233748782434).

420312324122 is a wasteful number, since it uses less digits than its factorization.

420312324122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422050 (or 422021 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 420312324122 its reverse (221423213024), we get a palindrome (641735537146).

The spelling of 420312324122 in words is "four hundred twenty billion, three hundred twelve million, three hundred twenty-four thousand, one hundred twenty-two".