12213312233012 has 24 divisors (see below), whose sum is σ = 23332989892800. Its totient is φ = 5547537336960.

The previous prime is 12213312233011. The next prime is 12213312233029. The reversal of 12213312233012 is 21033221331221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213312233011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99143333 + ... + 99266444.

It is an arithmetic number, because the mean of its divisors is an integer number (972207912200).

Almost surely, 2^{12213312233012} is an apocalyptic number.

It is an amenable number.

12213312233012 is a deficient number, since it is larger than the sum of its proper divisors (11119677659788).

12213312233012 is a wasteful number, since it uses less digits than its factorization.

12213312233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198411191 (or 198411189 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12213312233012 its reverse (21033221331221), we get a palindrome (33246533564233).

The spelling of 12213312233012 in words is "twelve trillion, two hundred thirteen billion, three hundred twelve million, two hundred thirty-three thousand, twelve".