2112100310312 has 8 divisors (see below), whose sum is σ = 3960188081850. Its totient is φ = 1056050155152.

The previous prime is 2112100310293. The next prime is 2112100310323. The reversal of 2112100310312 is 2130130012112.

It can be written as a sum of positive squares in only one way, i.e., 2068321443556 + 43778866756 = 1438166^2 + 209234^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 132006269387 + ... + 132006269402.

Almost surely, 2^{2112100310312} is an apocalyptic number.

It is an amenable number.

2112100310312 is a deficient number, since it is larger than the sum of its proper divisors (1848087771538).

2112100310312 is a wasteful number, since it uses less digits than its factorization.

2112100310312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264012538795 (or 264012538791 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2112100310312 its reverse (2130130012112), we get a palindrome (4242230322424).

The spelling of 2112100310312 in words is "two trillion, one hundred twelve billion, one hundred million, three hundred ten thousand, three hundred twelve".