33421222212 has 96 divisors (see below), whose sum is σ = 91832767488. Its totient is φ = 9260313984.

The previous prime is 33421222183. The next prime is 33421222213. The reversal of 33421222212 is 21222212433.

It is a super-2 number, since 2×33421222212² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (33421222213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 936643 + ... + 971669.

It is an arithmetic number, because the mean of its divisors is an integer number (956591328).

Almost surely, 2^33421222212 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 33421222212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45916383744).

33421222212 is an abundant number, since it is smaller than the sum of its proper divisors (58411545276).

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

33421222212 is a wasteful number, since it uses less digits than its factorization.

33421222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35385 (or 35383 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

Adding to 33421222212 its reverse (21222212433), we get a palindrome (54643434645).

The spelling of 33421222212 in words is "thirty-three billion, four hundred twenty-one million, two hundred twenty-two thousand, two hundred twelve".