12400203232 has 48 divisors (see below), whose sum is σ = 24530325120. Its totient is φ = 6170359168.

The previous prime is 12400203229. The next prime is 12400203241. The reversal of 12400203232 is 23230200421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9848619 + ... + 9849877.

It is an arithmetic number, because the mean of its divisors is an integer number (511048440).

Almost surely, 2^12400203232 is an apocalyptic number.

It is an amenable number.

12400203232 is a deficient number, since it is larger than the sum of its proper divisors (12130121888).

12400203232 is a wasteful number, since it uses less digits than its factorization.

12400203232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503 (or 2495 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12400203232 its reverse (23230200421), we get a palindrome (35630403653).

The spelling of 12400203232 in words is "twelve billion, four hundred million, two hundred three thousand, two hundred thirty-two".