212210313123 has 8 divisors (see below), whose sum is σ = 289527249088. Its totient is φ = 138183459624.

The previous prime is 212210313113. The next prime is 212210313137. The reversal of 212210313123 is 321313012212.

212210313123 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 not a de Polignac number, because 212210313123 - 2³³ = 203620378531 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 212210313123.

It is not an unprimeable number, because it can be changed into a prime (212210313103) 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, 822520465 + ... + 822520722.

It is an arithmetic number, because the mean of its divisors is an integer number (36190906136).

Almost surely, 2^212210313123 is an apocalyptic number.

212210313123 is a deficient number, since it is larger than the sum of its proper divisors (77316935965).

212210313123 is a wasteful number, since it uses less digits than its factorization.

212210313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645041233.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212210313123 its reverse (321313012212), we get a palindrome (533523325335).

The spelling of 212210313123 in words is "two hundred twelve billion, two hundred ten million, three hundred thirteen thousand, one hundred twenty-three".