33012221033 has 6 divisors (see below), whose sum is σ = 36286160442. Its totient is φ = 30011109920.

The previous prime is 33012220999. The next prime is 33012221063.

33012221033 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 21879438889 + 11132782144 = 147917^2 + 105512^2 .

It is not a de Polignac number, because 33012221033 - 2²⁸ = 32743785577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33012220996 and 33012221014.

It is not an unprimeable number, because it can be changed into a prime (33012221063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136414016 + ... + 136414257.

It is an arithmetic number, because the mean of its divisors is an integer number (6047693407).

Almost surely, 2^33012221033 is an apocalyptic number.

It is an amenable number.

33012221033 is a deficient number, since it is larger than the sum of its proper divisors (3273939409).

33012221033 is a wasteful number, since it uses less digits than its factorization.

33012221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272828295 (or 272828284 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The spelling of 33012221033 in words is "thirty-three billion, twelve million, two hundred twenty-one thousand, thirty-three".