223212313332 has 120 divisors (see below), whose sum is σ = 606039477120. Its totient is φ = 71586495360.

The previous prime is 223212313267. The next prime is 223212313403. The reversal of 223212313332 is 233313212322.

223212313332 is a `hidden beast` number, since 2 + 2 + 3 + 2 + 12 + 313 + 332 = 666.

It is a super-3 number, since 3×223212313332³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a junction number, because it is equal to n+sod(n) for n = 223212313296 and 223212313305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 774232 + ... + 1022672.

It is an arithmetic number, because the mean of its divisors is an integer number (5050328976).

Almost surely, 2^223212313332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223212313332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303019738560).

223212313332 is an abundant number, since it is smaller than the sum of its proper divisors (382827163788).

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

223212313332 is a wasteful number, since it uses less digits than its factorization.

223212313332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248563 (or 248552 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 223212313332 its reverse (233313212322), we get a palindrome (456525525654).

The spelling of 223212313332 in words is "two hundred twenty-three billion, two hundred twelve million, three hundred thirteen thousand, three hundred thirty-two".