33213211220332 has 24 divisors (see below), whose sum is σ = 68284504188432. Its totient is φ = 13935613099200.

The previous prime is 33213211220311. The next prime is 33213211220339. The reversal of 33213211220332 is 23302211231233.

It is a happy number.

It is a super-2 number, since 2×33213211220332² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33213211220332.

It is not an unprimeable number, because it can be changed into a prime (33213211220339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29032526719 + ... + 29032527862.

It is an arithmetic number, because the mean of its divisors is an integer number (2845187674518).

Almost surely, 2^{33213211220332} is an apocalyptic number.

It is an amenable number.

33213211220332 is an abundant number, since it is smaller than the sum of its proper divisors (35071292968100).

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

33213211220332 is a wasteful number, since it uses less digits than its factorization.

33213211220332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58065054609 (or 58065054607 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 33213211220332 its reverse (23302211231233), we get a palindrome (56515422451565).

The spelling of 33213211220332 in words is "thirty-three trillion, two hundred thirteen billion, two hundred eleven million, two hundred twenty thousand, three hundred thirty-two".