123312120302 has 16 divisors (see below), whose sum is σ = 211401146592. Its totient is φ = 52845816480.

The previous prime is 123312120299. The next prime is 123312120307. The reversal of 123312120302 is 203021213321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123312120307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181652 + ... + 528792.

It is an arithmetic number, because the mean of its divisors is an integer number (13212571662).

Almost surely, 2^123312120302 is an apocalyptic number.

123312120302 is a deficient number, since it is larger than the sum of its proper divisors (88089026290).

123312120302 is a wasteful number, since it uses less digits than its factorization.

123312120302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372523.

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

Adding to 123312120302 its reverse (203021213321), we get a palindrome (326333333623).

The spelling of 123312120302 in words is "one hundred twenty-three billion, three hundred twelve million, one hundred twenty thousand, three hundred two".