33231220013232 has 120 divisors (see below), whose sum is σ = 96902844001600. Its totient is φ = 11024575087680.

The previous prime is 33231220013221. The next prime is 33231220013249. The reversal of 33231220013232 is 23231002213233.

33231220013232 is a `hidden beast` number, since 3 + 3 + 2 + 312 + 20 + 0 + 1 + 323 + 2 = 666.

It is a super-2 number, since 2×33231220013232² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 33231220013196 and 33231220013205.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19433482 + ... + 21074217.

Almost surely, 2^{33231220013232} is an apocalyptic number.

It is an amenable number.

33231220013232 is an abundant number, since it is smaller than the sum of its proper divisors (63671623988368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33231220013232 is a wasteful number, since it uses less digits than its factorization.

33231220013232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40507933 (or 40507915 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 33231220013232 its reverse (23231002213233), we get a palindrome (56462222226465).

The spelling of 33231220013232 in words is "thirty-three trillion, two hundred thirty-one billion, two hundred twenty million, thirteen thousand, two hundred thirty-two".