212861980327 has 2 divisors, whose sum is σ = 212861980328. Its totient is φ = 212861980326.

The previous prime is 212861980319. The next prime is 212861980367. The reversal of 212861980327 is 723089168212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212861980327 - 2³ = 212861980319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212861980367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106430990163 + 106430990164.

It is an arithmetic number, because the mean of its divisors is an integer number (106430990164).

Almost surely, 2^212861980327 is an apocalyptic number.

212861980327 is a deficient number, since it is larger than the sum of its proper divisors (1).

212861980327 is an equidigital number, since it uses as much as digits as its factorization.

212861980327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 212861980327 in words is "two hundred twelve billion, eight hundred sixty-one million, nine hundred eighty thousand, three hundred twenty-seven".