2112444113412 has 48 divisors (see below), whose sum is σ = 5232971665152. Its totient is φ = 660950791680.

The previous prime is 2112444113411. The next prime is 2112444113443. The reversal of 2112444113412 is 2143114442112.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2112444113412.

It is not an unprimeable number, because it can be changed into a prime (2112444113411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13804764 + ... + 13956947.

It is an arithmetic number, because the mean of its divisors is an integer number (109020243024).

Almost surely, 2^{2112444113412} is an apocalyptic number.

It is an amenable number.

2112444113412 is an abundant number, since it is smaller than the sum of its proper divisors (3120527551740).

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

2112444113412 is a wasteful number, since it uses less digits than its factorization.

2112444113412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27762108 (or 27762106 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

Adding to 2112444113412 its reverse (2143114442112), we get a palindrome (4255558555524).

The spelling of 2112444113412 in words is "two trillion, one hundred twelve billion, four hundred forty-four million, one hundred thirteen thousand, four hundred twelve".