12013311230303 has 16 divisors (see below), whose sum is σ = 12954720626400. Its totient is φ = 11102844856320.

The previous prime is 12013311230293. The next prime is 12013311230321. The reversal of 12013311230303 is 30303211331021.

It is a cyclic number.

It is not a de Polignac number, because 12013311230303 - 2²² = 12013307035999 is a prime.

It is a super-2 number, since 2×12013311230303² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013311230383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14325533 + ... + 15140921.

It is an arithmetic number, because the mean of its divisors is an integer number (809670039150).

Almost surely, 2^{12013311230303} is an apocalyptic number.

12013311230303 is a deficient number, since it is larger than the sum of its proper divisors (941409396097).

12013311230303 is a wasteful number, since it uses less digits than its factorization.

12013311230303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834362.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 12013311230303 its reverse (30303211331021), we get a palindrome (42316522561324).

The spelling of 12013311230303 in words is "twelve trillion, thirteen billion, three hundred eleven million, two hundred thirty thousand, three hundred three".