2012444257 has 2 divisors, whose sum is σ = 2012444258. Its totient is φ = 2012444256.

The previous prime is 2012444201. The next prime is 2012444263. The reversal of 2012444257 is 7524442102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1279063696 + 733380561 = 35764^2 + 27081^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012444257 - 2¹⁹ = 2011919969 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012445257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006222128 + 1006222129.

It is an arithmetic number, because the mean of its divisors is an integer number (1006222129).

Almost surely, 2^2012444257 is an apocalyptic number.

It is an amenable number.

2012444257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012444257 is an equidigital number, since it uses as much as digits as its factorization.

2012444257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 2012444257 is about 44860.2748208256. The cubic root of 2012444257 is about 1262.5287790322.

Adding to 2012444257 its reverse (7524442102), we get a palindrome (9536886359).

The spelling of 2012444257 in words is "two billion, twelve million, four hundred forty-four thousand, two hundred fifty-seven".