123202231332312 has 64 divisors (see below), whose sum is σ = 336008391989760. Its totient is φ = 37333753212800.

The previous prime is 123202231332293. The next prime is 123202231332353. The reversal of 123202231332312 is 213233132202321.

It is a self number, because there is not a number n which added to its sum of digits gives 123202231332312.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 38861713 + ... + 41912255.

It is an arithmetic number, because the mean of its divisors is an integer number (5250131124840).

Almost surely, 2^{123202231332312} is an apocalyptic number.

123202231332312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123202231332312 is an abundant number, since it is smaller than the sum of its proper divisors (212806160657448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123202231332312 is a wasteful number, since it uses less digits than its factorization.

123202231332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203544 (or 3203540 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 123202231332312 its reverse (213233132202321), we get a palindrome (336435363534633).

The spelling of 123202231332312 in words is "one hundred twenty-three trillion, two hundred two billion, two hundred thirty-one million, three hundred thirty-two thousand, three hundred twelve".