12223102031312 has 10 divisors (see below), whose sum is σ = 23682260185698. Its totient is φ = 6111551015648.

The previous prime is 12223102031311. The next prime is 12223102031321. The reversal of 12223102031312 is 21313020132221.

It can be written as a sum of positive squares in only one way, i.e., 11831095812496 + 392006218816 = 3439636^2 + 626104^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223102031311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381971938463 + ... + 381971938494.

Almost surely, 2^{12223102031312} is an apocalyptic number.

It is an amenable number.

12223102031312 is a deficient number, since it is larger than the sum of its proper divisors (11459158154386).

12223102031312 is an equidigital number, since it uses as much as digits as its factorization.

12223102031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763943876965 (or 763943876959 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12223102031312 its reverse (21313020132221), we get a palindrome (33536122163533).

The spelling of 12223102031312 in words is "twelve trillion, two hundred twenty-three billion, one hundred two million, thirty-one thousand, three hundred twelve".