33321013212 has 48 divisors (see below), whose sum is σ = 79611662592. Its totient is φ = 10841268480.

The previous prime is 33321013211. The next prime is 33321013237. The reversal of 33321013212 is 21231012333.

It is a super-2 number, since 2×33321013212² (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 (33321013211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758308 + ... + 801044.

It is an arithmetic number, because the mean of its divisors is an integer number (1658576304).

Almost surely, 2^33321013212 is an apocalyptic number.

It is an amenable number.

33321013212 is an abundant number, since it is smaller than the sum of its proper divisors (46290649380).

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

33321013212 is a wasteful number, since it uses less digits than its factorization.

33321013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44298 (or 44296 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33321013212 its reverse (21231012333), we get a palindrome (54552025545).

The spelling of 33321013212 in words is "thirty-three billion, three hundred twenty-one million, thirteen thousand, two hundred twelve".