212201051539 has 2 divisors, whose sum is σ = 212201051540. Its totient is φ = 212201051538.

The previous prime is 212201051509. The next prime is 212201051597. The reversal of 212201051539 is 935150102212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212201051539 - 2⁷ = 212201051411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212201051539.

It is not a weakly prime, because it can be changed into another prime (212201051509) 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, 106100525769 + 106100525770.

It is an arithmetic number, because the mean of its divisors is an integer number (106100525770).

Almost surely, 2^212201051539 is an apocalyptic number.

212201051539 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201051539 is an equidigital number, since it uses as much as digits as its factorization.

212201051539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 212201051539 in words is "two hundred twelve billion, two hundred one million, fifty-one thousand, five hundred thirty-nine".