23230221212 has 24 divisors (see below), whose sum is σ = 44354723952. Its totient is φ = 10557734400.

The previous prime is 23230221107. The next prime is 23230221241. The reversal of 23230221212 is 21212203232.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326738 + ... + 391430.

It is an arithmetic number, because the mean of its divisors is an integer number (1848113498).

Almost surely, 2^23230221212 is an apocalyptic number.

23230221212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23230221212 is a deficient number, since it is larger than the sum of its proper divisors (21124502740).

23230221212 is a wasteful number, since it uses less digits than its factorization.

23230221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72869 (or 72867 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23230221212 its reverse (21212203232), we get a palindrome (44442424444).

It can be divided in two parts, 23230 and 221212, that added together give a palindrome (244442).

The spelling of 23230221212 in words is "twenty-three billion, two hundred thirty million, two hundred twenty-one thousand, two hundred twelve".