223331313012 has 12 divisors (see below), whose sum is σ = 521106397056. Its totient is φ = 74443771000.

The previous prime is 223331312983. The next prime is 223331313017. The reversal of 223331313012 is 210313133322.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223331313017) 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, 9305471364 + ... + 9305471387.

It is an arithmetic number, because the mean of its divisors is an integer number (43425533088).

Almost surely, 2^223331313012 is an apocalyptic number.

It is an amenable number.

223331313012 is an abundant number, since it is smaller than the sum of its proper divisors (297775084044).

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

223331313012 is a wasteful number, since it uses less digits than its factorization.

223331313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18610942758 (or 18610942756 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 223331313012 its reverse (210313133322), we get a palindrome (433644446334).

The spelling of 223331313012 in words is "two hundred twenty-three billion, three hundred thirty-one million, three hundred thirteen thousand, twelve".