13122001123312 has 40 divisors (see below), whose sum is σ = 25686548424432. Its totient is φ = 6493217433600.

The previous prime is 13122001123307. The next prime is 13122001123313. The reversal of 13122001123312 is 21332110022131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122001123313) 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, 117292362 + ... + 117404182.

Almost surely, 2^{13122001123312} is an apocalyptic number.

It is an amenable number.

13122001123312 is a deficient number, since it is larger than the sum of its proper divisors (12564547301120).

13122001123312 is a wasteful number, since it uses less digits than its factorization.

13122001123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187537 (or 187531 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13122001123312 its reverse (21332110022131), we get a palindrome (34454111145443).

The spelling of 13122001123312 in words is "thirteen trillion, one hundred twenty-two billion, one million, one hundred twenty-three thousand, three hundred twelve".