223116012 has 192 divisors, whose sum is σ = 712320000. Its totient is φ = 60201792.

The previous prime is 223116011. The next prime is 223116037. The reversal of 223116012 is 210611322.

It is a super-3 number, since 3×223116012³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (223116011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 703678 + ... + 703994.

It is an arithmetic number, because the mean of its divisors is an integer number (3710000).

Almost surely, 2^223116012 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 223116012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356160000).

223116012 is an abundant number, since it is smaller than the sum of its proper divisors (489203988).

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

223116012 is a wasteful number, since it uses less digits than its factorization.

223116012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 223116012 is about 14937.0683870698. The cubic root of 223116012 is about 606.5178398901.

Adding to 223116012 its reverse (210611322), we get a palindrome (433727334).

The spelling of 223116012 in words is "two hundred twenty-three million, one hundred sixteen thousand, twelve".