1220012103013 has 12 divisors (see below), whose sum is σ = 1348756536204. Its totient is φ = 1102690899200.

The previous prime is 1220012102989. The next prime is 1220012103029. The reversal of 1220012103013 is 3103012100221.

It can be written as a sum of positive squares in 2 ways, for example, as 508052477284 + 711959625729 = 712778^2 + 843777^2 .

It is not a de Polignac number, because 1220012103013 - 2⁹ = 1220012102501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220012103043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29119948 + ... + 29161813.

It is an arithmetic number, because the mean of its divisors is an integer number (112396378017).

Almost surely, 2^{1220012103013} is an apocalyptic number.

It is an amenable number.

1220012103013 is a deficient number, since it is larger than the sum of its proper divisors (128744433191).

1220012103013 is a wasteful number, since it uses less digits than its factorization.

1220012103013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58281956 (or 58281945 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1220012103013 its reverse (3103012100221), we get a palindrome (4323024203234).

The spelling of 1220012103013 in words is "one trillion, two hundred twenty billion, twelve million, one hundred three thousand, thirteen".