212012960977 has 2 divisors, whose sum is σ = 212012960978. Its totient is φ = 212012960976.

The previous prime is 212012960969. The next prime is 212012960983. The reversal of 212012960977 is 779069210212.

It is a happy number.

212012960977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160083210816 + 51929750161 = 400104^2 + 227881^2 .

It is a cyclic number.

It is not a de Polignac number, because 212012960977 - 2³ = 212012960969 is a prime.

It is not a weakly prime, because it can be changed into another prime (212012960947) 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, 106006480488 + 106006480489.

It is an arithmetic number, because the mean of its divisors is an integer number (106006480489).

Almost surely, 2^212012960977 is an apocalyptic number.

It is an amenable number.

212012960977 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012960977 is an equidigital number, since it uses as much as digits as its factorization.

212012960977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 212012960977 in words is "two hundred twelve billion, twelve million, nine hundred sixty thousand, nine hundred seventy-seven".