33013220112 has 40 divisors (see below), whose sum is σ = 94760170080. Its totient is φ = 11004406560.

The previous prime is 33013220099. The next prime is 33013220167. The reversal of 33013220112 is 21102231033.

33013220112 is a `hidden beast` number, since 330 + 1 + 3 + 220 + 112 = 666.

It is a super-2 number, since 2×33013220112² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 38209314 + ... + 38210177.

It is an arithmetic number, because the mean of its divisors is an integer number (2369004252).

Almost surely, 2^33013220112 is an apocalyptic number.

It is an amenable number.

33013220112 is an abundant number, since it is smaller than the sum of its proper divisors (61746949968).

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

33013220112 is a wasteful number, since it uses less digits than its factorization.

33013220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76419508 (or 76419496 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 33013220112 its reverse (21102231033), we get a palindrome (54115451145).

The spelling of 33013220112 in words is "thirty-three billion, thirteen million, two hundred twenty thousand, one hundred twelve".