23200312212 has 72 divisors (see below), whose sum is σ = 73116144192. Its totient is φ = 6026054400.

The previous prime is 23200312189. The next prime is 23200312237. The reversal of 23200312212 is 21221300232.

It is a super-3 number, since 3×23200312212³ (a number of 32 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4181989 + ... + 4187532.

Almost surely, 2^23200312212 is an apocalyptic number.

23200312212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23200312212 is an abundant number, since it is smaller than the sum of its proper divisors (49915831980).

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

23200312212 is a wasteful number, since it uses less digits than its factorization.

23200312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8369549 (or 8369544 counting only the distinct ones).

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

Adding to 23200312212 its reverse (21221300232), we get a palindrome (44421612444).

The spelling of 23200312212 in words is "twenty-three billion, two hundred million, three hundred twelve thousand, two hundred twelve".