223030123212 has 96 divisors (see below), whose sum is σ = 565750080000. Its totient is φ = 67976865792.

The previous prime is 223030123207. The next prime is 223030123229. The reversal of 223030123212 is 212321030322.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7031164 + ... + 7062812.

It is an arithmetic number, because the mean of its divisors is an integer number (5893230000).

Almost surely, 2^223030123212 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 223030123212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282875040000).

223030123212 is an abundant number, since it is smaller than the sum of its proper divisors (342719956788).

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

223030123212 is a wasteful number, since it uses less digits than its factorization.

223030123212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32095 (or 32093 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223030123212 its reverse (212321030322), we get a palindrome (435351153534).

The spelling of 223030123212 in words is "two hundred twenty-three billion, thirty million, one hundred twenty-three thousand, two hundred twelve".