22212130123 has 4 divisors (see below), whose sum is σ = 22245135448. Its totient is φ = 22179124800.

The previous prime is 22212130121. The next prime is 22212130133. The reversal of 22212130123 is 32103121222.

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 22212130123 - 2¹ = 22212130121 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 22212130123.

It is not an unprimeable number, because it can be changed into a prime (22212130121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16501653 + ... + 16502998.

It is an arithmetic number, because the mean of its divisors is an integer number (5561283862).

Almost surely, 2^22212130123 is an apocalyptic number.

22212130123 is a deficient number, since it is larger than the sum of its proper divisors (33005325).

22212130123 is an equidigital number, since it uses as much as digits as its factorization.

22212130123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33005324.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22212130123 its reverse (32103121222), we get a palindrome (54315251345).

The spelling of 22212130123 in words is "twenty-two billion, two hundred twelve million, one hundred thirty thousand, one hundred twenty-three".