21233372383212 has 96 divisors (see below), whose sum is σ = 55511948405760. Its totient is φ = 6260161489920.

The previous prime is 21233372383141. The next prime is 21233372383213. The reversal of 21233372383212 is 21238327333212.

It is a super-2 number, since 2×21233372383212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21233372383213) 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, 118772589 + ... + 118951227.

It is an arithmetic number, because the mean of its divisors is an integer number (578249462560).

Almost surely, 2^{21233372383212} is an apocalyptic number.

21233372383212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21233372383212 is an abundant number, since it is smaller than the sum of its proper divisors (34278576022548).

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

21233372383212 is a wasteful number, since it uses less digits than its factorization.

21233372383212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203031 (or 203029 counting only the distinct ones).

The product of its digits is 435456, while the sum is 42.

The spelling of 21233372383212 in words is "twenty-one trillion, two hundred thirty-three billion, three hundred seventy-two million, three hundred eighty-three thousand, two hundred twelve".