212303210123 has 8 divisors (see below), whose sum is σ = 212875406640. Its totient is φ = 211731149920.

The previous prime is 212303210117. The next prime is 212303210167. The reversal of 212303210123 is 321012303212.

212303210123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212303210123 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212303210095 and 212303210104.

It is not an unprimeable number, because it can be changed into a prime (212303210113) 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 7 ways as a sum of consecutive naturals, for example, 3604436 + ... + 3662862.

It is an arithmetic number, because the mean of its divisors is an integer number (26609425830).

Almost surely, 2^212303210123 is an apocalyptic number.

212303210123 is a deficient number, since it is larger than the sum of its proper divisors (572196517).

212303210123 is an equidigital number, since it uses as much as digits as its factorization.

212303210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68157.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212303210123 its reverse (321012303212), we get a palindrome (533315513335).

The spelling of 212303210123 in words is "two hundred twelve billion, three hundred three million, two hundred ten thousand, one hundred twenty-three".