10212786427 has 2 divisors, whose sum is σ = 10212786428. Its totient is φ = 10212786426.

The previous prime is 10212786403. The next prime is 10212786443. The reversal of 10212786427 is 72468721201.

10212786427 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 10212786427 - 2⁷ = 10212786299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10212786427.

It is not a weakly prime, because it can be changed into another prime (10212786487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106393213 + 5106393214.

It is an arithmetic number, because the mean of its divisors is an integer number (5106393214).

Almost surely, 2^10212786427 is an apocalyptic number.

10212786427 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212786427 is an equidigital number, since it uses as much as digits as its factorization.

10212786427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 10212786427 in words is "ten billion, two hundred twelve million, seven hundred eighty-six thousand, four hundred twenty-seven".