33012111330220 has 24 divisors (see below), whose sum is σ = 75627745957008. Its totient is φ = 12004404120000.

The previous prime is 33012111330203. The next prime is 33012111330227. The reversal of 33012111330220 is 2203311121033.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 33012111330191 and 33012111330200.

It is not an unprimeable number, because it can be changed into a prime (33012111330227) by changing a digit.

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, 75027525531 + ... + 75027525970.

It is an arithmetic number, because the mean of its divisors is an integer number (3151156081542).

Almost surely, 2^{33012111330220} is an apocalyptic number.

It is an amenable number.

33012111330220 is an abundant number, since it is smaller than the sum of its proper divisors (42615634626788).

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

33012111330220 is a wasteful number, since it uses less digits than its factorization.

33012111330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150055051521 (or 150055051519 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 33012111330220 its reverse (2203311121033), we get a palindrome (35215422451253).

The spelling of 33012111330220 in words is "thirty-three trillion, twelve billion, one hundred eleven million, three hundred thirty thousand, two hundred twenty".