12131021302301 has 4 divisors (see below), whose sum is σ = 13233841420704. Its totient is φ = 11028201183900.

The previous prime is 12131021302271. The next prime is 12131021302319. The reversal of 12131021302301 is 10320312013121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12131021302301 - 2¹⁰ = 12131021301277 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 (12131021302501) 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, 551410059185 + ... + 551410059206.

It is an arithmetic number, because the mean of its divisors is an integer number (3308460355176).

Almost surely, 2^{12131021302301} is an apocalyptic number.

12131021302301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12131021302301 is a deficient number, since it is larger than the sum of its proper divisors (1102820118403).

12131021302301 is a wasteful number, since it uses less digits than its factorization.

12131021302301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102820118402.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12131021302301 its reverse (10320312013121), we get a palindrome (22451333315422).

The spelling of 12131021302301 in words is "twelve trillion, one hundred thirty-one billion, twenty-one million, three hundred two thousand, three hundred one".