10212313123 has 4 divisors (see below), whose sum is σ = 10247167728. Its totient is φ = 10177458520.

The previous prime is 10212313121. The next prime is 10212313147. The reversal of 10212313123 is 32131321201.

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 10212313123 - 2¹ = 10212313121 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 10212313123.

It is not an unprimeable number, because it can be changed into a prime (10212313121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17426863 + ... + 17427448.

It is an arithmetic number, because the mean of its divisors is an integer number (2561791932).

Almost surely, 2^10212313123 is an apocalyptic number.

10212313123 is a deficient number, since it is larger than the sum of its proper divisors (34854605).

10212313123 is an equidigital number, since it uses as much as digits as its factorization.

10212313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34854604.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10212313123 its reverse (32131321201), we get a palindrome (42343634324).

The spelling of 10212313123 in words is "ten billion, two hundred twelve million, three hundred thirteen thousand, one hundred twenty-three".