123012320000201 has 2 divisors, whose sum is σ = 123012320000202. Its totient is φ = 123012320000200.

The previous prime is 123012320000189. The next prime is 123012320000209. The reversal of 123012320000201 is 102000023210321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86149936326601 + 36862383673600 = 9281699^2 + 6071440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123012320000201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123012320000201.

It is not a weakly prime, because it can be changed into another prime (123012320000209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506160000100 + 61506160000101.

It is an arithmetic number, because the mean of its divisors is an integer number (61506160000101).

Almost surely, 2^{123012320000201} is an apocalyptic number.

It is an amenable number.

123012320000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

123012320000201 is an equidigital number, since it uses as much as digits as its factorization.

123012320000201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123012320000201 its reverse (102000023210321), we get a palindrome (225012343210522).

The spelling of 123012320000201 in words is "one hundred twenty-three trillion, twelve billion, three hundred twenty million, two hundred one", and thus it is an aban number.