123302210312 has 16 divisors (see below), whose sum is σ = 231202007100. Its totient is φ = 61648341760.

The previous prime is 123302210267. The next prime is 123302210321. The reversal of 123302210312 is 213012203321.

It can be written as a sum of positive squares in 2 ways, for example, as 121707485956 + 1594724356 = 348866^2 + 39934^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149237 + ... + 518532.

Almost surely, 2^123302210312 is an apocalyptic number.

It is an amenable number.

123302210312 is a deficient number, since it is larger than the sum of its proper divisors (107899796788).

123302210312 is a wasteful number, since it uses less digits than its factorization.

123302210312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690856 (or 690852 counting only the distinct ones).

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

Adding to 123302210312 its reverse (213012203321), we get a palindrome (336314413633).

The spelling of 123302210312 in words is "one hundred twenty-three billion, three hundred two million, two hundred ten thousand, three hundred twelve".