12031320301 has 24 divisors (see below), whose sum is σ = 16442413344. Its totient is φ = 8653891680.

The previous prime is 12031320251. The next prime is 12031320319. The reversal of 12031320301 is 10302313021.

It is not a de Polignac number, because 12031320301 - 2¹¹ = 12031318253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031300301) 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 23 ways as a sum of consecutive naturals, for example, 851515 + ... + 865528.

It is an arithmetic number, because the mean of its divisors is an integer number (685100556).

Almost surely, 2^12031320301 is an apocalyptic number.

12031320301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12031320301 is a deficient number, since it is larger than the sum of its proper divisors (4411093043).

12031320301 is a wasteful number, since it uses less digits than its factorization.

12031320301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717081 (or 1717074 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12031320301 its reverse (10302313021), we get a palindrome (22333633322).

The spelling of 12031320301 in words is "twelve billion, thirty-one million, three hundred twenty thousand, three hundred one".