12101112313 has 2 divisors, whose sum is σ = 12101112314. Its totient is φ = 12101112312.

The previous prime is 12101112299. The next prime is 12101112343. The reversal of 12101112313 is 31321110121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11856596544 + 244515769 = 108888^2 + 15637^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101112313 - 2⁹ = 12101111801 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101112343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050556156 + 6050556157.

It is an arithmetic number, because the mean of its divisors is an integer number (6050556157).

Almost surely, 2^12101112313 is an apocalyptic number.

It is an amenable number.

12101112313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101112313 is an equidigital number, since it uses as much as digits as its factorization.

12101112313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12101112313 its reverse (31321110121), we get a palindrome (43422222434).

The spelling of 12101112313 in words is "twelve billion, one hundred one million, one hundred twelve thousand, three hundred thirteen".