2102112404312 has 16 divisors (see below), whose sum is σ = 4033122636840. Its totient is φ = 1026613034496.

The previous prime is 2102112404311. The next prime is 2102112404321. The reversal of 2102112404312 is 2134042112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102112404311) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3055395593 + ... + 3055396280.

Almost surely, 2^{2102112404312} is an apocalyptic number.

It is an amenable number.

2102112404312 is a deficient number, since it is larger than the sum of its proper divisors (1931010232528).

2102112404312 is a wasteful number, since it uses less digits than its factorization.

2102112404312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110791922 (or 6110791918 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2102112404312 its reverse (2134042112012), we get a palindrome (4236154516324).

The spelling of 2102112404312 in words is "two trillion, one hundred two billion, one hundred twelve million, four hundred four thousand, three hundred twelve".