33012220541 has 16 divisors (see below), whose sum is σ = 33440698368. Its totient is φ = 32587470000.

The previous prime is 33012220519. The next prime is 33012220543. The reversal of 33012220541 is 14502221033.

It is a cyclic number.

It is not a de Polignac number, because 33012220541 - 2⁶ = 33012220477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33012220543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14716766 + ... + 14719008.

It is an arithmetic number, because the mean of its divisors is an integer number (2090043648).

Almost surely, 2^33012220541 is an apocalyptic number.

It is an amenable number.

33012220541 is a deficient number, since it is larger than the sum of its proper divisors (428477827).

33012220541 is a wasteful number, since it uses less digits than its factorization.

33012220541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 33012220541 its reverse (14502221033), we get a palindrome (47514441574).

The spelling of 33012220541 in words is "thirty-three billion, twelve million, two hundred twenty thousand, five hundred forty-one".