1220051320063 has 8 divisors (see below), whose sum is σ = 1220396403200. Its totient is φ = 1219706301528.

The previous prime is 1220051320043. The next prime is 1220051320069. The reversal of 1220051320063 is 3600231500221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220051320063 - 2¹⁷ = 1220051188991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220051320069) 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 in 7 ways as a sum of consecutive naturals, for example, 96677368 + ... + 96689986.

It is an arithmetic number, because the mean of its divisors is an integer number (152549550400).

Almost surely, 2^{1220051320063} is an apocalyptic number.

1220051320063 is a deficient number, since it is larger than the sum of its proper divisors (345083137).

1220051320063 is a wasteful number, since it uses less digits than its factorization.

1220051320063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32301.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1220051320063 its reverse (3600231500221), we get a palindrome (4820282820284).

The spelling of 1220051320063 in words is "one trillion, two hundred twenty billion, fifty-one million, three hundred twenty thousand, sixty-three".