12123211303 has 8 divisors (see below), whose sum is σ = 13858881920. Its totient is φ = 10388486520.

The previous prime is 12123211297. The next prime is 12123211319. The reversal of 12123211303 is 30311232121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12123211303 - 2⁵ = 12123211271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123211333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208773 + ... + 260446.

It is an arithmetic number, because the mean of its divisors is an integer number (1732360240).

Almost surely, 2^12123211303 is an apocalyptic number.

12123211303 is a deficient number, since it is larger than the sum of its proper divisors (1735670617).

12123211303 is an equidigital number, since it uses as much as digits as its factorization.

12123211303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472917.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12123211303 its reverse (30311232121), we get a palindrome (42434443424).

The spelling of 12123211303 in words is "twelve billion, one hundred twenty-three million, two hundred eleven thousand, three hundred three".