2112123130303 has 4 divisors (see below), whose sum is σ = 2115721296360. Its totient is φ = 2108524964248.

The previous prime is 2112123130283. The next prime is 2112123130331. The reversal of 2112123130303 is 3030313212112.

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 2112123130303 - 2²¹ = 2112121033151 is a prime.

It is a super-2 number, since 2×2112123130303² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112123130363) 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, 1799082148 + ... + 1799083321.

It is an arithmetic number, because the mean of its divisors is an integer number (528930324090).

Almost surely, 2^{2112123130303} is an apocalyptic number.

2112123130303 is a deficient number, since it is larger than the sum of its proper divisors (3598166057).

2112123130303 is an equidigital number, since it uses as much as digits as its factorization.

2112123130303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598166056.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2112123130303 its reverse (3030313212112), we get a palindrome (5142436342415).

The spelling of 2112123130303 in words is "two trillion, one hundred twelve billion, one hundred twenty-three million, one hundred thirty thousand, three hundred three".