223102132231212 has 54 divisors (see below), whose sum is σ = 610670579905932. Its totient is φ = 68646809915424.

The previous prime is 223102132231183. The next prime is 223102132231213. The reversal of 223102132231212 is 212132231201322.

223102132231212 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 0 + 21 + 322 + 312 + 1 + 2 = 666.

It is a super-3 number, since 3×223102132231212³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (223102132231213) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18335146138 + ... + 18335158305.

Almost surely, 2^{223102132231212} is an apocalyptic number.

It is an amenable number.

223102132231212 is an abundant number, since it is smaller than the sum of its proper divisors (387568447674720).

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

223102132231212 is a wasteful number, since it uses less digits than its factorization.

223102132231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36670304479 (or 36670304461 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 223102132231212 its reverse (212132231201322), we get a palindrome (435234363432534).

The spelling of 223102132231212 in words is "two hundred twenty-three trillion, one hundred two billion, one hundred thirty-two million, two hundred thirty-one thousand, two hundred twelve".