212075883491 has 2 divisors, whose sum is σ = 212075883492. Its totient is φ = 212075883490.

The previous prime is 212075883451. The next prime is 212075883499. The reversal of 212075883491 is 194388570212.

212075883491 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 is a cyclic number.

It is not a de Polignac number, because 212075883491 - 2²² = 212071689187 is a prime.

It is not a weakly prime, because it can be changed into another prime (212075883499) 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, 106037941745 + 106037941746.

It is an arithmetic number, because the mean of its divisors is an integer number (106037941746).

Almost surely, 2^212075883491 is an apocalyptic number.

212075883491 is a deficient number, since it is larger than the sum of its proper divisors (1).

212075883491 is an equidigital number, since it uses as much as digits as its factorization.

212075883491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 212075883491 in words is "two hundred twelve billion, seventy-five million, eight hundred eighty-three thousand, four hundred ninety-one".