2212311030123 has 4 divisors (see below), whose sum is σ = 2949748040168. Its totient is φ = 1474874020080.

The previous prime is 2212311030073. The next prime is 2212311030131. The reversal of 2212311030123 is 3210301132122.

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

It is not a de Polignac number, because 2212311030123 - 2¹² = 2212311026027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212311030123.

It is not an unprimeable number, because it can be changed into a prime (2212311030143) 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, 368718505018 + ... + 368718505023.

It is an arithmetic number, because the mean of its divisors is an integer number (737437010042).

Almost surely, 2^{2212311030123} is an apocalyptic number.

2212311030123 is a deficient number, since it is larger than the sum of its proper divisors (737437010045).

2212311030123 is an equidigital number, since it uses as much as digits as its factorization.

2212311030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737437010044.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2212311030123 its reverse (3210301132122), we get a palindrome (5422612162245).

The spelling of 2212311030123 in words is "two trillion, two hundred twelve billion, three hundred eleven million, thirty thousand, one hundred twenty-three".