1220113442399 has 2 divisors, whose sum is σ = 1220113442400. Its totient is φ = 1220113442398.

The previous prime is 1220113442389. The next prime is 1220113442477. The reversal of 1220113442399 is 9932443110221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220113442399 - 2⁸ = 1220113442143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220113442369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610056721199 + 610056721200.

It is an arithmetic number, because the mean of its divisors is an integer number (610056721200).

Almost surely, 2^{1220113442399} is an apocalyptic number.

1220113442399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220113442399 is an equidigital number, since it uses as much as digits as its factorization.

1220113442399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 1220113442399 in words is "one trillion, two hundred twenty billion, one hundred thirteen million, four hundred forty-two thousand, three hundred ninety-nine".