1220113320013 has 40 divisors (see below), whose sum is σ = 1505408429920. Its totient is φ = 986065345440.

The previous prime is 1220113319963. The next prime is 1220113320029. The reversal of 1220113320013 is 3100233110221.

It is a de Polignac number, because none of the positive numbers 2^k-1220113320013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220113320043) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9562231 + ... + 9688987.

It is an arithmetic number, because the mean of its divisors is an integer number (37635210748).

Almost surely, 2^{1220113320013} is an apocalyptic number.

It is an amenable number.

1220113320013 is a deficient number, since it is larger than the sum of its proper divisors (285295109907).

1220113320013 is an equidigital number, since it uses as much as digits as its factorization.

1220113320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127015 (or 126994 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1220113320013 its reverse (3100233110221), we get a palindrome (4320346430234).

The spelling of 1220113320013 in words is "one trillion, two hundred twenty billion, one hundred thirteen million, three hundred twenty thousand, thirteen".