223233211212 has 36 divisors (see below), whose sum is σ = 572534768568. Its totient is φ = 67646427200.

The previous prime is 223233211183. The next prime is 223233211217. The reversal of 223233211212 is 212112332322.

It is a super-3 number, since 3×223233211212³ (a number of 35 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (223233211217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76869489 + ... + 76872392.

Almost surely, 2^223233211212 is an apocalyptic number.

223233211212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

223233211212 is an abundant number, since it is smaller than the sum of its proper divisors (349301557356).

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

223233211212 is a wasteful number, since it uses less digits than its factorization.

223233211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153741910 (or 153741897 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 223233211212 its reverse (212112332322), we get a palindrome (435345543534).

The spelling of 223233211212 in words is "two hundred twenty-three billion, two hundred thirty-three million, two hundred eleven thousand, two hundred twelve".