20126324217124 has 12 divisors (see below), whose sum is σ = 35221983695500. Its totient is φ = 10062900304128.

The previous prime is 20126324217079. The next prime is 20126324217149. The reversal of 20126324217124 is 42171242362102.

It can be written as a sum of positive squares in 2 ways, for example, as 9096738566400 + 11029585650724 = 3016080^2 + 3321082^2 .

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, 65278089 + ... + 65585680.

Almost surely, 2^{20126324217124} is an apocalyptic number.

It is an amenable number.

20126324217124 is a deficient number, since it is larger than the sum of its proper divisors (15095659478376).

20126324217124 is a wasteful number, since it uses less digits than its factorization.

20126324217124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130902222 (or 130902220 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

Adding to 20126324217124 its reverse (42171242362102), we get a palindrome (62297566579226).

The spelling of 20126324217124 in words is "twenty trillion, one hundred twenty-six billion, three hundred twenty-four million, two hundred seventeen thousand, one hundred twenty-four".