12103311320001 has 72 divisors (see below), whose sum is σ = 19261113668160. Its totient is φ = 7318277588160.

The previous prime is 12103311319993. The next prime is 12103311320027. The reversal of 12103311320001 is 10002311330121.

12103311320001 is a `hidden beast` number, since 1 + 2 + 10 + 331 + 1 + 320 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 12103311320001 - 2³ = 12103311319993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12103311324001) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1083258651 + ... + 1083269823.

Almost surely, 2^{12103311320001} is an apocalyptic number.

12103311320001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12103311320001 is a deficient number, since it is larger than the sum of its proper divisors (7157802348159).

12103311320001 is a wasteful number, since it uses less digits than its factorization.

12103311320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13427 (or 13413 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12103311320001 its reverse (10002311330121), we get a palindrome (22105622650122).

The spelling of 12103311320001 in words is "twelve trillion, one hundred three billion, three hundred eleven million, three hundred twenty thousand, one".