12331122007 has 2 divisors, whose sum is σ = 12331122008. Its totient is φ = 12331122006.

The previous prime is 12331121981. The next prime is 12331122019. The reversal of 12331122007 is 70022113321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12331122007 - 2³¹ = 10183638359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12331192007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165561003 + 6165561004.

It is an arithmetic number, because the mean of its divisors is an integer number (6165561004).

Almost surely, 2^12331122007 is an apocalyptic number.

12331122007 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331122007 is an equidigital number, since it uses as much as digits as its factorization.

12331122007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 12331122007 its reverse (70022113321), we get a palindrome (82353235328).

The spelling of 12331122007 in words is "twelve billion, three hundred thirty-one million, one hundred twenty-two thousand, seven".