122123312203 has 4 divisors (see below), whose sum is σ = 122124152088. Its totient is φ = 122122472320.

The previous prime is 122123312149. The next prime is 122123312237. The reversal of 122123312203 is 302213321221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122123312203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122123312263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139333 + ... + 513478.

It is an arithmetic number, because the mean of its divisors is an integer number (30531038022).

Almost surely, 2^122123312203 is an apocalyptic number.

122123312203 is a deficient number, since it is larger than the sum of its proper divisors (839885).

122123312203 is an equidigital number, since it uses as much as digits as its factorization.

122123312203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839884.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122123312203 its reverse (302213321221), we get a palindrome (424336633424).

The spelling of 122123312203 in words is "one hundred twenty-two billion, one hundred twenty-three million, three hundred twelve thousand, two hundred three".