2112343311012 has 48 divisors (see below), whose sum is σ = 5377310390592. Its totient is φ = 640052068480.

The previous prime is 2112343310963. The next prime is 2112343311031. The reversal of 2112343311012 is 2101133432112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998338 + ... + 2285030.

It is an arithmetic number, because the mean of its divisors is an integer number (112027299804).

Almost surely, 2^{2112343311012} is an apocalyptic number.

2112343311012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2112343311012 is an abundant number, since it is smaller than the sum of its proper divisors (3264967079580).

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

2112343311012 is a wasteful number, since it uses less digits than its factorization.

2112343311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299148 (or 1299146 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 2112343311012 its reverse (2101133432112), we get a palindrome (4213476743124).

The spelling of 2112343311012 in words is "two trillion, one hundred twelve billion, three hundred forty-three million, three hundred eleven thousand, twelve".