2112342401444 has 24 divisors (see below), whose sum is σ = 4068340885728. Its totient is φ = 951658682240.

The previous prime is 2112342401441. The next prime is 2112342401461. The reversal of 2112342401444 is 4441042432112.

It is a self number, because there is not a number n which added to its sum of digits gives 2112342401444.

It is not an unprimeable number, because it can be changed into a prime (2112342401441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212418842 + ... + 212428785.

It is an arithmetic number, because the mean of its divisors is an integer number (169514203572).

Almost surely, 2^{2112342401444} is an apocalyptic number.

It is an amenable number.

2112342401444 is a deficient number, since it is larger than the sum of its proper divisors (1955998484284).

2112342401444 is a wasteful number, since it uses less digits than its factorization.

2112342401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424847755 (or 424847753 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 2112342401444 its reverse (4441042432112), we get a palindrome (6553384833556).

The spelling of 2112342401444 in words is "two trillion, one hundred twelve billion, three hundred forty-two million, four hundred one thousand, four hundred forty-four".