1200431122424 has 32 divisors (see below), whose sum is σ = 2306210583600. Its totient is φ = 585448039680.

The previous prime is 1200431122411. The next prime is 1200431122427. The reversal of 1200431122424 is 4242211340021.

It is a junction number, because it is equal to n+sod(n) for n = 1200431122393 and 1200431122402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200431122427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109747 + ... + 1905885.

Almost surely, 2^{1200431122424} is an apocalyptic number.

It is an amenable number.

1200431122424 is a deficient number, since it is larger than the sum of its proper divisors (1105779461176).

1200431122424 is a wasteful number, since it uses less digits than its factorization.

1200431122424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800783 (or 800779 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1200431122424 its reverse (4242211340021), we get a palindrome (5442642462445).

The spelling of 1200431122424 in words is "one trillion, two hundred billion, four hundred thirty-one million, one hundred twenty-two thousand, four hundred twenty-four".