212298956359277 has 2 divisors, whose sum is σ = 212298956359278. Its totient is φ = 212298956359276.

The previous prime is 212298956359261. The next prime is 212298956359307. The reversal of 212298956359277 is 772953659892212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200003687614756 + 12295268744521 = 14142266^2 + 3506461^2 .

It is a cyclic number.

It is not a de Polignac number, because 212298956359277 - 2⁴ = 212298956359261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212298956359198 and 212298956359207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212298956353277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106149478179638 + 106149478179639.

It is an arithmetic number, because the mean of its divisors is an integer number (106149478179639).

Almost surely, 2^{212298956359277} is an apocalyptic number.

It is an amenable number.

212298956359277 is a deficient number, since it is larger than the sum of its proper divisors (1).

212298956359277 is an equidigital number, since it uses as much as digits as its factorization.

212298956359277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2057529600, while the sum is 77.

The spelling of 212298956359277 in words is "two hundred twelve trillion, two hundred ninety-eight billion, nine hundred fifty-six million, three hundred fifty-nine thousand, two hundred seventy-seven".