20121303000311 has 8 divisors (see below), whose sum is σ = 20590921161360. Its totient is φ = 19651761243072.

The previous prime is 20121303000283. The next prime is 20121303000329. The reversal of 20121303000311 is 11300030312102.

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

It is a cyclic number.

It is not a de Polignac number, because 20121303000311 - 2¹⁴ = 20121302983927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20121303000311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121303000361) 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, 18567926 + ... + 19621683.

It is an arithmetic number, because the mean of its divisors is an integer number (2573865145170).

Almost surely, 2^{20121303000311} is an apocalyptic number.

20121303000311 is a deficient number, since it is larger than the sum of its proper divisors (469618161049).

20121303000311 is a wasteful number, since it uses less digits than its factorization.

20121303000311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38201905.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20121303000311 its reverse (11300030312102), we get a palindrome (31421333312413).

The spelling of 20121303000311 in words is "twenty trillion, one hundred twenty-one billion, three hundred three million, three hundred eleven", and thus it is an aban number.