33112010442 has 64 divisors (see below), whose sum is σ = 77630918400. Its totient is φ = 9219684864.

The previous prime is 33112010419. The next prime is 33112010443. The reversal of 33112010442 is 24401021133.

It is a super-2 number, since 2×33112010442² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (33112010443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281758 + ... + 381590.

It is an arithmetic number, because the mean of its divisors is an integer number (1212983100).

Almost surely, 2^33112010442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33112010442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38815459200).

33112010442 is an abundant number, since it is smaller than the sum of its proper divisors (44518907958).

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

33112010442 is a wasteful number, since it uses less digits than its factorization.

33112010442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100047.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 33112010442 its reverse (24401021133), we get a palindrome (57513031575).

The spelling of 33112010442 in words is "thirty-three billion, one hundred twelve million, ten thousand, four hundred forty-two".