223003201212 has 72 divisors (see below), whose sum is σ = 634785295872. Its totient is φ = 65396829600.

The previous prime is 223003201189. The next prime is 223003201259. The reversal of 223003201212 is 212102300322.

223003201212 is a `hidden beast` number, since 22 + 300 + 320 + 1 + 21 + 2 = 666.

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, 9070618 + ... + 9095169.

Almost surely, 2^223003201212 is an apocalyptic number.

223003201212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

223003201212 is an abundant number, since it is smaller than the sum of its proper divisors (411782094660).

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

223003201212 is a wasteful number, since it uses less digits than its factorization.

223003201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18165839 (or 18165834 counting only the distinct ones).

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

Adding to 223003201212 its reverse (212102300322), we get a palindrome (435105501534).

The spelling of 223003201212 in words is "two hundred twenty-three billion, three million, two hundred one thousand, two hundred twelve".