13321201211312 has 40 divisors (see below), whose sum is σ = 26230122227232. Its totient is φ = 6552544409600.

The previous prime is 13321201211239. The next prime is 13321201211377. The reversal of 13321201211312 is 21311210212331.

It is a happy number.

It is a super-2 number, since 2×13321201211312² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12194753 + ... + 13242144.

Almost surely, 2^{13321201211312} is an apocalyptic number.

It is an amenable number.

13321201211312 is a deficient number, since it is larger than the sum of its proper divisors (12908921015920).

13321201211312 is a wasteful number, since it uses less digits than its factorization.

13321201211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25437437 (or 25437431 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 13321201211312 its reverse (21311210212331), we get a palindrome (34632411423643).

The spelling of 13321201211312 in words is "thirteen trillion, three hundred twenty-one billion, two hundred one million, two hundred eleven thousand, three hundred twelve".