212252033440439 has 2 divisors, whose sum is σ = 212252033440440. Its totient is φ = 212252033440438.

The previous prime is 212252033440427. The next prime is 212252033440519. The reversal of 212252033440439 is 934044330252212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212252033440439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212252033440439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212252033400439) 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, 106126016720219 + 106126016720220.

It is an arithmetic number, because the mean of its divisors is an integer number (106126016720220).

Almost surely, 2^{212252033440439} is an apocalyptic number.

212252033440439 is a deficient number, since it is larger than the sum of its proper divisors (1).

212252033440439 is an equidigital number, since it uses as much as digits as its factorization.

212252033440439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 212252033440439 in words is "two hundred twelve trillion, two hundred fifty-two billion, thirty-three million, four hundred forty thousand, four hundred thirty-nine".