123312222011203 has 4 divisors (see below), whose sum is σ = 123313072216048. Its totient is φ = 123311371806360.

The previous prime is 123312222011177. The next prime is 123312222011239. The reversal of 123312222011203 is 302110222213321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123312222011203 - 2¹³ = 123312222003011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123312222011243) 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, 424884828 + ... + 425174953.

It is an arithmetic number, because the mean of its divisors is an integer number (30828268054012).

Almost surely, 2^{123312222011203} is an apocalyptic number.

123312222011203 is a deficient number, since it is larger than the sum of its proper divisors (850204845).

123312222011203 is an equidigital number, since it uses as much as digits as its factorization.

123312222011203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850204844.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123312222011203 its reverse (302110222213321), we get a palindrome (425422444224524).

The spelling of 123312222011203 in words is "one hundred twenty-three trillion, three hundred twelve billion, two hundred twenty-two million, eleven thousand, two hundred three".