121311302013309 has 8 divisors (see below), whose sum is σ = 163022012154880. Its totient is φ = 80237396606976.

The previous prime is 121311302013287. The next prime is 121311302013347. The reversal of 121311302013309 is 903310203113121.

It is a happy number.

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

It is not a de Polignac number, because 121311302013309 - 2¹¹ = 121311302011261 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 (121311302013359) 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, 159201183364 + ... + 159201184125.

It is an arithmetic number, because the mean of its divisors is an integer number (20377751519360).

Almost surely, 2^{121311302013309} is an apocalyptic number.

It is an amenable number.

121311302013309 is a deficient number, since it is larger than the sum of its proper divisors (41710710141571).

121311302013309 is a wasteful number, since it uses less digits than its factorization.

121311302013309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318402367619.

The product of its (nonzero) digits is 2916, while the sum is 30.

The spelling of 121311302013309 in words is "one hundred twenty-one trillion, three hundred eleven billion, three hundred two million, thirteen thousand, three hundred nine".