2112140445412 has 12 divisors (see below), whose sum is σ = 3696258800556. Its totient is φ = 1056066502400.

The previous prime is 2112140445397. The next prime is 2112140445427. The reversal of 2112140445412 is 2145440412112.

It is an interprime number because it is at equal distance from previous prime (2112140445397) and next prime (2112140445427).

It can be written as a sum of positive squares in 2 ways, for example, as 1454474592256 + 657665853156 = 1206016^2 + 810966^2 .

It is a super-2 number, since 2×2112140445412² (a number of 25 digits) contains 22 as substring.

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, 642912 + ... + 2153512.

It is an arithmetic number, because the mean of its divisors is an integer number (308021566713).

Almost surely, 2^{2112140445412} is an apocalyptic number.

It is an amenable number.

2112140445412 is a deficient number, since it is larger than the sum of its proper divisors (1584118355144).

2112140445412 is a wasteful number, since it uses less digits than its factorization.

2112140445412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860158 (or 1860156 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

Adding to 2112140445412 its reverse (2145440412112), we get a palindrome (4257580857524).

It can be divided in two parts, 2112140 and 445412, that added together give a palindrome (2557552).

The spelling of 2112140445412 in words is "two trillion, one hundred twelve billion, one hundred forty million, four hundred forty-five thousand, four hundred twelve".