210211300123 has 16 divisors (see below), whose sum is σ = 233110656000. Its totient is φ = 187958076480.

The previous prime is 210211300087. The next prime is 210211300147. The reversal of 210211300123 is 321003112012.

210211300123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210211300123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210211300097 and 210211300106.

It is not an unprimeable number, because it can be changed into a prime (210211300193) 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 15 ways as a sum of consecutive naturals, for example, 76323 + ... + 652876.

It is an arithmetic number, because the mean of its divisors is an integer number (14569416000).

Almost surely, 2^210211300123 is an apocalyptic number.

210211300123 is a deficient number, since it is larger than the sum of its proper divisors (22899355877).

210211300123 is a wasteful number, since it uses less digits than its factorization.

210211300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729642.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 210211300123 its reverse (321003112012), we get a palindrome (531214412135).

The spelling of 210211300123 in words is "two hundred ten billion, two hundred eleven million, three hundred thousand, one hundred twenty-three".