12331112147 has 2 divisors, whose sum is σ = 12331112148. Its totient is φ = 12331112146.

The previous prime is 12331112111. The next prime is 12331112149. The reversal of 12331112147 is 74121113321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12331112147 - 2¹² = 12331108051 is a prime.

Together with 12331112149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12331112149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165556073 + 6165556074.

It is an arithmetic number, because the mean of its divisors is an integer number (6165556074).

Almost surely, 2^12331112147 is an apocalyptic number.

12331112147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331112147 is an equidigital number, since it uses as much as digits as its factorization.

12331112147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

Adding to 12331112147 its reverse (74121113321), we get a palindrome (86452225468).

The spelling of 12331112147 in words is "twelve billion, three hundred thirty-one million, one hundred twelve thousand, one hundred forty-seven".