12103021203313 has 4 divisors (see below), whose sum is σ = 12153241208548. Its totient is φ = 12052801198080.

The previous prime is 12103021203307. The next prime is 12103021203319. The reversal of 12103021203313 is 31330212030121.

12103021203313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12103021203307) and next prime (12103021203319).

It can be written as a sum of positive squares in 2 ways, for example, as 8688534407424 + 3414486795889 = 2947632^2 + 1847833^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103021203313 - 2⁵ = 12103021203281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103021203319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25110002256 + ... + 25110002737.

It is an arithmetic number, because the mean of its divisors is an integer number (3038310302137).

Almost surely, 2^{12103021203313} is an apocalyptic number.

It is an amenable number.

12103021203313 is a deficient number, since it is larger than the sum of its proper divisors (50220005235).

12103021203313 is an equidigital number, since it uses as much as digits as its factorization.

12103021203313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50220005234.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12103021203313 its reverse (31330212030121), we get a palindrome (43433233233434).

The spelling of 12103021203313 in words is "twelve trillion, one hundred three billion, twenty-one million, two hundred three thousand, three hundred thirteen".