2112126624445 has 8 divisors (see below), whose sum is σ = 2534591039544. Its totient is φ = 1689675239424.

The previous prime is 2112126624437. The next prime is 2112126624457. The reversal of 2112126624445 is 5444266212112.

It can be written as a sum of positive squares in 4 ways, for example, as 671576972004 + 1440549652441 = 819498^2 + 1200229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112126624445 - 2³ = 2112126624437 is a prime.

It is a super-2 number, since 2×2112126624445² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112126624398 and 2112126624407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2897284 + ... + 3552253.

It is an arithmetic number, because the mean of its divisors is an integer number (316823879943).

Almost surely, 2^{2112126624445} is an apocalyptic number.

It is an amenable number.

2112126624445 is a deficient number, since it is larger than the sum of its proper divisors (422464415099).

2112126624445 is an equidigital number, since it uses as much as digits as its factorization.

2112126624445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6515039.

The product of its digits is 184320, while the sum is 40.

The spelling of 2112126624445 in words is "two trillion, one hundred twelve billion, one hundred twenty-six million, six hundred twenty-four thousand, four hundred forty-five".