2001310212112 has 20 divisors (see below), whose sum is σ = 3878418132540. Its totient is φ = 1000428113408.

The previous prime is 2001310212103. The next prime is 2001310212131. The reversal of 2001310212112 is 2112120131002.

It can be written as a sum of positive squares in 2 ways, for example, as 1206473772816 + 794836439296 = 1098396^2 + 891536^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14114293 + ... + 14255380.

It is an arithmetic number, because the mean of its divisors is an integer number (193920906627).

Almost surely, 2^{2001310212112} is an apocalyptic number.

It is an amenable number.

2001310212112 is a deficient number, since it is larger than the sum of its proper divisors (1877107920428).

2001310212112 is a wasteful number, since it uses less digits than its factorization.

2001310212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28374090 (or 28374084 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2001310212112 its reverse (2112120131002), we get a palindrome (4113430343114).

The spelling of 2001310212112 in words is "two trillion, one billion, three hundred ten million, two hundred twelve thousand, one hundred twelve".