33201212013 has 16 divisors (see below), whose sum is σ = 50020660800. Its totient is φ = 21758985360.

The previous prime is 33201211999. The next prime is 33201212063. The reversal of 33201212013 is 31021210233.

It is not a de Polignac number, because 33201212013 - 2¹⁶ = 33201146477 is a prime.

It is a super-2 number, since 2×33201212013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33201212063) 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, 10419378 + ... + 10422563.

It is an arithmetic number, because the mean of its divisors is an integer number (3126291300).

Almost surely, 2^33201212013 is an apocalyptic number.

It is an amenable number.

33201212013 is a deficient number, since it is larger than the sum of its proper divisors (16819448787).

33201212013 is a wasteful number, since it uses less digits than its factorization.

33201212013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20842009 (or 20842003 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 33201212013 its reverse (31021210233), we get a palindrome (64222422246).

The spelling of 33201212013 in words is "thirty-three billion, two hundred one million, two hundred twelve thousand, thirteen".