12001231110331 has 16 divisors (see below), whose sum is σ = 13094221570560. Its totient is φ = 10961596404000.

The previous prime is 12001231110329. The next prime is 12001231110347. The reversal of 12001231110331 is 13301113210021.

It is a cyclic number.

It is not a de Polignac number, because 12001231110331 - 2¹ = 12001231110329 is a prime.

It is a super-2 number, since 2×12001231110331² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001231110299 and 12001231110308.

It is not an unprimeable number, because it can be changed into a prime (12001231110301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100232920 + ... + 100352581.

It is an arithmetic number, because the mean of its divisors is an integer number (818388848160).

Almost surely, 2^{12001231110331} is an apocalyptic number.

12001231110331 is a deficient number, since it is larger than the sum of its proper divisors (1092990460229).

12001231110331 is a wasteful number, since it uses less digits than its factorization.

12001231110331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200585634.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12001231110331 its reverse (13301113210021), we get a palindrome (25302344320352).

The spelling of 12001231110331 in words is "twelve trillion, one billion, two hundred thirty-one million, one hundred ten thousand, three hundred thirty-one".