123210331131230 has 64 divisors (see below), whose sum is σ = 254821901253120. Its totient is φ = 42017313147264.

The previous prime is 123210331131187. The next prime is 123210331131233. The reversal of 123210331131230 is 32131133012321.

It is a self number, because there is not a number n which added to its sum of digits gives 123210331131230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123210331131233) 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 31 ways as a sum of consecutive naturals, for example, 5150876 + ... + 16521264.

It is an arithmetic number, because the mean of its divisors is an integer number (3981592207080).

Almost surely, 2^{123210331131230} is an apocalyptic number.

123210331131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123210331131230 is an abundant number, since it is smaller than the sum of its proper divisors (131611570121890).

123210331131230 is a wasteful number, since it uses less digits than its factorization.

123210331131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11371233.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 123210331131230 its reverse (32131133012321), we get a palindrome (155341464143551).

The spelling of 123210331131230 in words is "one hundred twenty-three trillion, two hundred ten billion, three hundred thirty-one million, one hundred thirty-one thousand, two hundred thirty".