23322001212 has 72 divisors (see below), whose sum is σ = 62123552400. Its totient is φ = 7356780288.

The previous prime is 23322001207. The next prime is 23322001217. The reversal of 23322001212 is 21210022332.

23322001212 is a `hidden beast` number, since 233 + 220 + 0 + 1 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (23322001207) and next prime (23322001217).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23322001217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 622714 + ... + 659102.

Almost surely, 2^23322001212 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 23322001212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31061776200).

23322001212 is an abundant number, since it is smaller than the sum of its proper divisors (38801551188).

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

23322001212 is a wasteful number, since it uses less digits than its factorization.

23322001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37355 (or 37350 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23322001212 its reverse (21210022332), we get a palindrome (44532023544).

The spelling of 23322001212 in words is "twenty-three billion, three hundred twenty-two million, one thousand, two hundred twelve".