1203113220013 has 8 divisors (see below), whose sum is σ = 1205122077432. Its totient is φ = 1201104554496.

The previous prime is 1203113219993. The next prime is 1203113220031. The reversal of 1203113220013 is 3100223113021.

It can be written as a sum of positive squares in 4 ways, for example, as 425889370404 + 777223849609 = 652602^2 + 881603^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203113220013 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 (1203113220313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18302581 + ... + 18368197.

It is an arithmetic number, because the mean of its divisors is an integer number (150640259679).

Almost surely, 2^{1203113220013} is an apocalyptic number.

It is an amenable number.

1203113220013 is a deficient number, since it is larger than the sum of its proper divisors (2008857419).

1203113220013 is an equidigital number, since it uses as much as digits as its factorization.

1203113220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95951.

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

Adding to 1203113220013 its reverse (3100223113021), we get a palindrome (4303336333034).

The spelling of 1203113220013 in words is "one trillion, two hundred three billion, one hundred thirteen million, two hundred twenty thousand, thirteen".