212303222123 has 8 divisors (see below), whose sum is σ = 216214071360. Its totient is φ = 208402789320.

The previous prime is 212303222113. The next prime is 212303222137. The reversal of 212303222123 is 321222303212.

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 212303222123 - 2⁴ = 212303222107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212303222113) 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, 2562965 + ... + 2644502.

It is an arithmetic number, because the mean of its divisors is an integer number (27026758920).

Almost surely, 2^212303222123 is an apocalyptic number.

212303222123 is a deficient number, since it is larger than the sum of its proper divisors (3910849237).

212303222123 is an equidigital number, since it uses as much as digits as its factorization.

212303222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208217.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212303222123 its reverse (321222303212), we get a palindrome (533525525335).

The spelling of 212303222123 in words is "two hundred twelve billion, three hundred three million, two hundred twenty-two thousand, one hundred twenty-three".