100312111112 has 16 divisors (see below), whose sum is σ = 194152473600. Its totient is φ = 48538118160.

The previous prime is 100312111079. The next prime is 100312111117. The reversal of 100312111112 is 211111213001.

It is not an unprimeable number, because it can be changed into a prime (100312111117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202241912 + ... + 202242407.

It is an arithmetic number, because the mean of its divisors is an integer number (12134529600).

Almost surely, 2^100312111112 is an apocalyptic number.

It is an amenable number.

100312111112 is a deficient number, since it is larger than the sum of its proper divisors (93840362488).

100312111112 is a wasteful number, since it uses less digits than its factorization.

100312111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404484356 (or 404484352 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 100312111112 its reverse (211111213001), we get a palindrome (311423324113).

The spelling of 100312111112 in words is "one hundred billion, three hundred twelve million, one hundred eleven thousand, one hundred twelve".