112123013213 has 2 divisors, whose sum is σ = 112123013214. Its totient is φ = 112123013212.

The previous prime is 112123013209. The next prime is 112123013243. The reversal of 112123013213 is 312310321211.

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., 110036168089 + 2086845124 = 331717^2 + 45682^2 .

It is a cyclic number.

It is not a de Polignac number, because 112123013213 - 2² = 112123013209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112123013243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56061506606 + 56061506607.

It is an arithmetic number, because the mean of its divisors is an integer number (56061506607).

Almost surely, 2^112123013213 is an apocalyptic number.

It is an amenable number.

112123013213 is a deficient number, since it is larger than the sum of its proper divisors (1).

112123013213 is an equidigital number, since it uses as much as digits as its factorization.

112123013213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 112123013213 its reverse (312310321211), we get a palindrome (424433334424).

The spelling of 112123013213 in words is "one hundred twelve billion, one hundred twenty-three million, thirteen thousand, two hundred thirteen".