103312123112 has 64 divisors (see below), whose sum is σ = 212269671360. Its totient is φ = 46749542400.

The previous prime is 103312123069. The next prime is 103312123139. The reversal of 103312123112 is 211321213301.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 21462818 + ... + 21467630.

It is an arithmetic number, because the mean of its divisors is an integer number (3316713615).

Almost surely, 2^103312123112 is an apocalyptic number.

It is an amenable number.

103312123112 is an abundant number, since it is smaller than the sum of its proper divisors (108957548248).

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

103312123112 is a wasteful number, since it uses less digits than its factorization.

103312123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5874 (or 5870 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 103312123112 its reverse (211321213301), we get a palindrome (314633336413).

The spelling of 103312123112 in words is "one hundred three billion, three hundred twelve million, one hundred twenty-three thousand, one hundred twelve".