2212443123 has 32 divisors (see below), whose sum is σ = 3346022400. Its totient is φ = 1288202400.

The previous prime is 2212443073. The next prime is 2212443137. The reversal of 2212443123 is 3213442122.

It is a happy number.

It is not a de Polignac number, because 2212443123 - 2⁸ = 2212442867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212443093 and 2212443102.

It is not an unprimeable number, because it can be changed into a prime (2212243123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134418 + ... + 149976.

It is an arithmetic number, because the mean of its divisors is an integer number (104563200).

Almost surely, 2^2212443123 is an apocalyptic number.

2212443123 is a deficient number, since it is larger than the sum of its proper divisors (1133579277).

2212443123 is a wasteful number, since it uses less digits than its factorization.

2212443123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15743.

The product of its digits is 2304, while the sum is 24.

The square root of 2212443123 is about 47036.6147059926. The cubic root of 2212443123 is about 1303.0388716857.

Adding to 2212443123 its reverse (3213442122), we get a palindrome (5425885245).

The spelling of 2212443123 in words is "two billion, two hundred twelve million, four hundred forty-three thousand, one hundred twenty-three".