12223231303213 has 32 divisors (see below), whose sum is σ = 15039053568000. Its totient is φ = 9701325930816.

The previous prime is 12223231303117. The next prime is 12223231303219. The reversal of 12223231303213 is 31230313232221.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12223231303213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223231303219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1442763 + ... + 5150536.

It is an arithmetic number, because the mean of its divisors is an integer number (469970424000).

Almost surely, 2^{12223231303213} is an apocalyptic number.

It is an amenable number.

12223231303213 is a deficient number, since it is larger than the sum of its proper divisors (2815822264787).

12223231303213 is a wasteful number, since it uses less digits than its factorization.

12223231303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6593641.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 12223231303213 its reverse (31230313232221), we get a palindrome (43453544535434).

The spelling of 12223231303213 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, three hundred three thousand, two hundred thirteen".