12422540432 has 20 divisors (see below), whose sum is σ = 24719177916. Its totient is φ = 6043397760.

The previous prime is 12422540387. The next prime is 12422540477. The reversal of 12422540432 is 23404522421.

It is an interprime number because it is at equal distance from previous prime (12422540387) and next prime (12422540477).

It can be written as a sum of positive squares in 2 ways, for example, as 10208273296 + 2214267136 = 101036^2 + 47056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12422540395 and 12422540404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10491419 + ... + 10492602.

Almost surely, 2^12422540432 is an apocalyptic number.

It is an amenable number.

12422540432 is a deficient number, since it is larger than the sum of its proper divisors (12296637484).

12422540432 is a wasteful number, since it uses less digits than its factorization.

12422540432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20984066 (or 20984060 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The spelling of 12422540432 in words is "twelve billion, four hundred twenty-two million, five hundred forty thousand, four hundred thirty-two".