13112212231321 has 8 divisors (see below), whose sum is σ = 14985484678080. Its totient is φ = 11238964602288.

The previous prime is 13112212231303. The next prime is 13112212231369. The reversal of 13112212231321 is 12313221221131.

13112212231321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13112212231321 - 2²³ = 13112203842713 is a prime.

It is a super-2 number, since 2×13112212231321² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13112212231381) 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, 5058151 + ... + 7197868.

It is an arithmetic number, because the mean of its divisors is an integer number (1873185584760).

Almost surely, 2^{13112212231321} is an apocalyptic number.

It is an amenable number.

13112212231321 is a deficient number, since it is larger than the sum of its proper divisors (1873272446759).

13112212231321 is a wasteful number, since it uses less digits than its factorization.

13112212231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12408863.

The product of its digits is 864, while the sum is 25.

Adding to 13112212231321 its reverse (12313221221131), we get a palindrome (25425433452452).

The spelling of 13112212231321 in words is "thirteen trillion, one hundred twelve billion, two hundred twelve million, two hundred thirty-one thousand, three hundred twenty-one".