33123002213 has 12 divisors (see below), whose sum is σ = 40206094560. Its totient is φ = 27156746232.

The previous prime is 33123002191. The next prime is 33123002221. The reversal of 33123002213 is 31220032133.

It is not a de Polignac number, because 33123002213 - 2⁸ = 33123001957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33123032213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14694083 + ... + 14696336.

It is an arithmetic number, because the mean of its divisors is an integer number (3350507880).

Almost surely, 2^33123002213 is an apocalyptic number.

It is an amenable number.

33123002213 is a deficient number, since it is larger than the sum of its proper divisors (7083092347).

33123002213 is a wasteful number, since it uses less digits than its factorization.

33123002213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29390456 (or 29390449 counting only the distinct ones).

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

Adding to 33123002213 its reverse (31220032133), we get a palindrome (64343034346).

The spelling of 33123002213 in words is "thirty-three billion, one hundred twenty-three million, two thousand, two hundred thirteen".