12400403202032 has 40 divisors (see below), whose sum is σ = 24177461126784. Its totient is φ = 6161071875264.

The previous prime is 12400403202017. The next prime is 12400403202053. The reversal of 12400403202032 is 23020230400421.

It is a junction number, because it is equal to n+sod(n) for n = 12400403201989 and 12400403202007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14402933 + ... + 15239595.

Almost surely, 2^{12400403202032} is an apocalyptic number.

It is an amenable number.

12400403202032 is a deficient number, since it is larger than the sum of its proper divisors (11777057924752).

12400403202032 is a wasteful number, since it uses less digits than its factorization.

12400403202032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842517 (or 842511 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12400403202032 its reverse (23020230400421), we get a palindrome (35420633602453).

The spelling of 12400403202032 in words is "twelve trillion, four hundred billion, four hundred three million, two hundred two thousand, thirty-two".