33212301012 has 72 divisors (see below), whose sum is σ = 91705373760. Its totient is φ = 10051153920.

The previous prime is 33212300983. The next prime is 33212301061. The reversal of 33212301012 is 21010321233.

33212301012 is a `hidden beast` number, since 332 + 1 + 230 + 101 + 2 = 666.

It is a super-2 number, since 2×33212301012² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249993 + ... + 359055.

Almost surely, 2^33212301012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33212301012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45852686880).

33212301012 is an abundant number, since it is smaller than the sum of its proper divisors (58493072748).

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

33212301012 is a wasteful number, since it uses less digits than its factorization.

33212301012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109853 (or 109848 counting only the distinct ones).

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

Adding to 33212301012 its reverse (21010321233), we get a palindrome (54222622245).

The spelling of 33212301012 in words is "thirty-three billion, two hundred twelve million, three hundred one thousand, twelve".