12021204332432 has 20 divisors (see below), whose sum is σ = 23379642654720. Its totient is φ = 5987748163488.

The previous prime is 12021204332419. The next prime is 12021204332491. The reversal of 12021204332432 is 23423340212021.

It is a junction number, because it is equal to n+sod(n) for n = 12021204332395 and 12021204332404.

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, 1428370832 + ... + 1428379247.

It is an arithmetic number, because the mean of its divisors is an integer number (1168982132736).

Almost surely, 2^{12021204332432} is an apocalyptic number.

It is an amenable number.

12021204332432 is a deficient number, since it is larger than the sum of its proper divisors (11358438322288).

12021204332432 is a wasteful number, since it uses less digits than its factorization.

12021204332432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856750350 (or 2856750344 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 12021204332432 its reverse (23423340212021), we get a palindrome (35444544544453).

The spelling of 12021204332432 in words is "twelve trillion, twenty-one billion, two hundred four million, three hundred thirty-two thousand, four hundred thirty-two".