223023100212 has 36 divisors (see below), whose sum is σ = 615003095616. Its totient is φ = 67582757520.

The previous prime is 223023100193. The next prime is 223023100253. The reversal of 223023100212 is 212001320322.

223023100212 is a `hidden beast` number, since 223 + 0 + 231 + 0 + 0 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 281594428 + ... + 281595219.

Almost surely, 2^223023100212 is an apocalyptic number.

223023100212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

223023100212 is an abundant number, since it is smaller than the sum of its proper divisors (391979995404).

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

223023100212 is a wasteful number, since it uses less digits than its factorization.

223023100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563189668 (or 563189663 counting only the distinct ones).

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

Adding to 223023100212 its reverse (212001320322), we get a palindrome (435024420534).

The spelling of 223023100212 in words is "two hundred twenty-three billion, twenty-three million, one hundred thousand, two hundred twelve".