33221012210212 has 48 divisors (see below), whose sum is σ = 62447577272640. Its totient is φ = 15407460652032.

The previous prime is 33221012210203. The next prime is 33221012210219. The reversal of 33221012210212 is 21201221012233.

It is a super-2 number, since 2×33221012210212² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33221012210219) 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, 3927739 + ... + 9048157.

It is an arithmetic number, because the mean of its divisors is an integer number (1300991193180).

Almost surely, 2^{33221012210212} is an apocalyptic number.

It is an amenable number.

33221012210212 is a deficient number, since it is larger than the sum of its proper divisors (29226565062428).

33221012210212 is a wasteful number, since it uses less digits than its factorization.

33221012210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121820 (or 5121818 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 33221012210212 its reverse (21201221012233), we get a palindrome (54422233222445).

The spelling of 33221012210212 in words is "thirty-three trillion, two hundred twenty-one billion, twelve million, two hundred ten thousand, two hundred twelve".