1220211758959 has 2 divisors, whose sum is σ = 1220211758960. Its totient is φ = 1220211758958.

The previous prime is 1220211758923. The next prime is 1220211758963. The reversal of 1220211758959 is 9598571120221.

It is a strong prime.

It is an emirp because it is prime and its reverse (9598571120221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220211758959 - 2¹⁵ = 1220211726191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220211758659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610105879479 + 610105879480.

It is an arithmetic number, because the mean of its divisors is an integer number (610105879480).

Almost surely, 2^{1220211758959} is an apocalyptic number.

1220211758959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220211758959 is an equidigital number, since it uses as much as digits as its factorization.

1220211758959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 52.

The spelling of 1220211758959 in words is "one trillion, two hundred twenty billion, two hundred eleven million, seven hundred fifty-eight thousand, nine hundred fifty-nine".