112123000001 has 2 divisors, whose sum is σ = 112123000002. Its totient is φ = 112123000000.

The previous prime is 112122999991. The next prime is 112123000007. The reversal of 112123000001 is 100000321211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76908600976 + 35214399025 = 277324^2 + 187655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112123000001 is a prime.

It is not a weakly prime, because it can be changed into another prime (112123000007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56061500000 + 56061500001.

It is an arithmetic number, because the mean of its divisors is an integer number (56061500001).

Almost surely, 2^112123000001 is an apocalyptic number.

It is an amenable number.

112123000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

112123000001 is an equidigital number, since it uses as much as digits as its factorization.

112123000001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 112123000001 its reverse (100000321211), we get a palindrome (212123321212).

The spelling of 112123000001 in words is "one hundred twelve billion, one hundred twenty-three million, one", and thus it is an aban number.