223333012212 has 12 divisors (see below), whose sum is σ = 521110361856. Its totient is φ = 74444337400.

The previous prime is 223333012127. The next prime is 223333012213. The reversal of 223333012212 is 212210333322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×223333012212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223333012213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9305542164 + ... + 9305542187.

It is an arithmetic number, because the mean of its divisors is an integer number (43425863488).

Almost surely, 2^223333012212 is an apocalyptic number.

It is an amenable number.

223333012212 is an abundant number, since it is smaller than the sum of its proper divisors (297777349644).

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

223333012212 is a wasteful number, since it uses less digits than its factorization.

223333012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18611084358 (or 18611084356 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 223333012212 its reverse (212210333322), we get a palindrome (435543345534).

The spelling of 223333012212 in words is "two hundred twenty-three billion, three hundred thirty-three million, twelve thousand, two hundred twelve".