2212452521977 has 2 divisors, whose sum is σ = 2212452521978. Its totient is φ = 2212452521976.

The previous prime is 2212452521957. The next prime is 2212452522023. The reversal of 2212452521977 is 7791252542122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1726777336761 + 485675185216 = 1314069^2 + 696904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212452521977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212452521977.

It is not a weakly prime, because it can be changed into another prime (2212452521927) 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, 1106226260988 + 1106226260989.

It is an arithmetic number, because the mean of its divisors is an integer number (1106226260989).

Almost surely, 2^{2212452521977} is an apocalyptic number.

It is an amenable number.

2212452521977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212452521977 is an equidigital number, since it uses as much as digits as its factorization.

2212452521977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 49.

The spelling of 2212452521977 in words is "two trillion, two hundred twelve billion, four hundred fifty-two million, five hundred twenty-one thousand, nine hundred seventy-seven".