1220200011013 has 2 divisors, whose sum is σ = 1220200011014. Its totient is φ = 1220200011012.

The previous prime is 1220200011007. The next prime is 1220200011071. The reversal of 1220200011013 is 3101100020221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1207576814404 + 12623196609 = 1098898^2 + 112353^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220200011013 - 2³³ = 1211610076421 is a prime.

It is a super-2 number, since 2×1220200011013² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220200010984 and 1220200011002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220200011073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610100005506 + 610100005507.

It is an arithmetic number, because the mean of its divisors is an integer number (610100005507).

Almost surely, 2^{1220200011013} is an apocalyptic number.

It is an amenable number.

1220200011013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220200011013 is an equidigital number, since it uses as much as digits as its factorization.

1220200011013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1220200011013 its reverse (3101100020221), we get a palindrome (4321300031234).

The spelling of 1220200011013 in words is "one trillion, two hundred twenty billion, two hundred million, eleven thousand, thirteen".