1220550054337 has 2 divisors, whose sum is σ = 1220550054338. Its totient is φ = 1220550054336.

The previous prime is 1220550054319. The next prime is 1220550054343. The reversal of 1220550054337 is 7334500550221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1126928741761 + 93621312576 = 1061569^2 + 305976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220550054337 - 2³⁹ = 670794240449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220550054296 and 1220550054305.

It is not a weakly prime, because it can be changed into another prime (1220550054937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610275027168 + 610275027169.

It is an arithmetic number, because the mean of its divisors is an integer number (610275027169).

Almost surely, 2^{1220550054337} is an apocalyptic number.

It is an amenable number.

1220550054337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220550054337 is an equidigital number, since it uses as much as digits as its factorization.

1220550054337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 1220550054337 in words is "one trillion, two hundred twenty billion, five hundred fifty million, fifty-four thousand, three hundred thirty-seven".