2012313020321 has 8 divisors (see below), whose sum is σ = 2087600311080. Its totient is φ = 1937418875392.

The previous prime is 2012313020309. The next prime is 2012313020323. The reversal of 2012313020321 is 1230203132102.

It can be written as a sum of positive squares in 4 ways, for example, as 39864115600 + 1972448904721 = 199660^2 + 1404439^2 .

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 2012313020321 - 2³⁸ = 1737435113377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012313020293 and 2012313020302.

It is not an unprimeable number, because it can be changed into a prime (2012313020323) 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, 98276030 + ... + 98296503.

It is an arithmetic number, because the mean of its divisors is an integer number (260950038885).

Almost surely, 2^{2012313020321} is an apocalyptic number.

It is an amenable number.

2012313020321 is a deficient number, since it is larger than the sum of its proper divisors (75287290759).

2012313020321 is a wasteful number, since it uses less digits than its factorization.

2012313020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196572915.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2012313020321 its reverse (1230203132102), we get a palindrome (3242516152423).

The spelling of 2012313020321 in words is "two trillion, twelve billion, three hundred thirteen million, twenty thousand, three hundred twenty-one".