2012112073 has 2 divisors, whose sum is σ = 2012112074.
Its totient is φ = 2012112072.
The previous prime is 2012112007. The next prime is 2012112079. The reversal of 2012112073 is 3702112102.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1918177209 + 93934864 = 43797^2 + 9692^2
It is a cyclic number.
It is not a de Polignac number, because 2012112073 - 225 = 1978557641 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2012112073.
It is not a weakly prime, because it can be changed into another prime (2012112079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006056036 + 1006056037.
It is an arithmetic number, because the mean of its divisors is an integer number (1006056037).
Almost surely, 22012112073 is an apocalyptic number.
It is an amenable number.
2012112073 is a deficient number, since it is larger than the sum of its proper divisors (1).
2012112073 is an equidigital number, since it uses as much as digits as its factorization.
2012112073 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 2012112073 is about 44856.5722386363.
The cubic root of 2012112073 is about 1262.4593087954.
Adding to 2012112073 its reverse (3702112102), we get a palindrome (5714224175).
The spelling of 2012112073 in words is "two billion, twelve million, one hundred twelve thousand, seventy-three".