33221343433212 has 48 divisors (see below), whose sum is σ = 93959355168000. Its totient is φ = 10067073767280.

The previous prime is 33221343433099. The next prime is 33221343433283. The reversal of 33221343433212 is 21233434312233.

33221343433212 is a `hidden beast` number, since 3 + 3 + 2 + 2 + 1 + 3 + 4 + 3 + 433 + 212 = 666.

It is a super-2 number, since 2×33221343433212² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13982045712 + ... + 13982048087.

It is an arithmetic number, because the mean of its divisors is an integer number (1957486566000).

Almost surely, 2^{33221343433212} is an apocalyptic number.

It is an amenable number.

33221343433212 is an abundant number, since it is smaller than the sum of its proper divisors (60738011734788).

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

33221343433212 is a wasteful number, since it uses less digits than its factorization.

33221343433212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27964093823 (or 27964093815 counting only the distinct ones).

The product of its digits is 186624, while the sum is 36.

Adding to 33221343433212 its reverse (21233434312233), we get a palindrome (54454777745445).

The spelling of 33221343433212 in words is "thirty-three trillion, two hundred twenty-one billion, three hundred forty-three million, four hundred thirty-three thousand, two hundred twelve".