12422423020 has 48 divisors (see below), whose sum is σ = 30376358208. Its totient is φ = 4178753280.

The previous prime is 12422423009. The next prime is 12422423063. The reversal of 12422423020 is 2032422421.

It is a super-4 number, since 4×12422423020⁴ (a number of 41 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12422422982 and 12422423000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829671 + ... + 844510.

It is an arithmetic number, because the mean of its divisors is an integer number (632840796).

Almost surely, 2^12422423020 is an apocalyptic number.

12422423020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12422423020 is an abundant number, since it is smaller than the sum of its proper divisors (17953935188).

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

12422423020 is a wasteful number, since it uses less digits than its factorization.

12422423020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674250 (or 1674248 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12422423020 its reverse (2032422421), we get a palindrome (14454845441).

The spelling of 12422423020 in words is "twelve billion, four hundred twenty-two million, four hundred twenty-three thousand, twenty".