2012211277 has 2 divisors, whose sum is σ = 2012211278. Its totient is φ = 2012211276.

The previous prime is 2012211263. The next prime is 2012211317. The reversal of 2012211277 is 7721122102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2011612201 + 599076 = 44851^2 + 774^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012211277 - 2¹¹ = 2012209229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012211977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006105638 + 1006105639.

It is an arithmetic number, because the mean of its divisors is an integer number (1006105639).

Almost surely, 2^2012211277 is an apocalyptic number.

It is an amenable number.

2012211277 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012211277 is an equidigital number, since it uses as much as digits as its factorization.

2012211277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 2012211277 is about 44857.6780161435. The cubic root of 2012211277 is about 1262.4800563069.

Adding to 2012211277 its reverse (7721122102), we get a palindrome (9733333379).

The spelling of 2012211277 in words is "two billion, twelve million, two hundred eleven thousand, two hundred seventy-seven".