123100131310012 has 24 divisors (see below), whose sum is σ = 217443717603504. Its totient is φ = 60973382195712.

The previous prime is 123100131310003. The next prime is 123100131310067. The reversal of 123100131310012 is 210013131001321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14723478 + ... + 21516994.

It is an arithmetic number, because the mean of its divisors is an integer number (9060154900146).

Almost surely, 2^{123100131310012} is an apocalyptic number.

It is an amenable number.

123100131310012 is a deficient number, since it is larger than the sum of its proper divisors (94343586293492).

123100131310012 is a wasteful number, since it uses less digits than its factorization.

123100131310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6835965 (or 6835963 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 123100131310012 its reverse (210013131001321), we get a palindrome (333113262311333).

The spelling of 123100131310012 in words is "one hundred twenty-three trillion, one hundred billion, one hundred thirty-one million, three hundred ten thousand, twelve".