3120123612311 has 2 divisors, whose sum is σ = 3120123612312. Its totient is φ = 3120123612310.

The previous prime is 3120123612299. The next prime is 3120123612317. The reversal of 3120123612311 is 1132163210213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3120123612311 - 2²² = 3120119418007 is a prime.

It is a super-2 number, since 2×3120123612311² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120123612317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560061806155 + 1560061806156.

It is an arithmetic number, because the mean of its divisors is an integer number (1560061806156).

Almost surely, 2^{3120123612311} is an apocalyptic number.

3120123612311 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120123612311 is an equidigital number, since it uses as much as digits as its factorization.

3120123612311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 3120123612311 its reverse (1132163210213), we get a palindrome (4252286822524).

The spelling of 3120123612311 in words is "three trillion, one hundred twenty billion, one hundred twenty-three million, six hundred twelve thousand, three hundred eleven".