33121211013112 has 32 divisors (see below), whose sum is σ = 64809007718400. Its totient is φ = 15838956473824.

The previous prime is 33121211013067. The next prime is 33121211013151. The reversal of 33121211013112 is 21131011212133.

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, 7417912 + ... + 11012167.

It is an arithmetic number, because the mean of its divisors is an integer number (2025281491200).

Almost surely, 2^{33121211013112} is an apocalyptic number.

It is an amenable number.

33121211013112 is a deficient number, since it is larger than the sum of its proper divisors (31687796705288).

33121211013112 is a wasteful number, since it uses less digits than its factorization.

33121211013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18439875 (or 18439871 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 33121211013112 its reverse (21131011212133), we get a palindrome (54252222225245).

The spelling of 33121211013112 in words is "thirty-three trillion, one hundred twenty-one billion, two hundred eleven million, thirteen thousand, one hundred twelve".