1220550033049 has 2 divisors, whose sum is σ = 1220550033050. Its totient is φ = 1220550033048.

The previous prime is 1220550033023. The next prime is 1220550033061. The reversal of 1220550033049 is 9403300550221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1203918061824 + 16631971225 = 1097232^2 + 128965^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220550033049 - 2⁷ = 1220550032921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220550033349) 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, 610275016524 + 610275016525.

It is an arithmetic number, because the mean of its divisors is an integer number (610275016525).

Almost surely, 2^{1220550033049} is an apocalyptic number.

It is an amenable number.

1220550033049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220550033049 is an equidigital number, since it uses as much as digits as its factorization.

1220550033049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 1220550033049 in words is "one trillion, two hundred twenty billion, five hundred fifty million, thirty-three thousand, forty-nine".