12313322302021 has 4 divisors (see below), whose sum is σ = 13260500940652. Its totient is φ = 11366143663392.

The previous prime is 12313322302003. The next prime is 12313322302079. The reversal of 12313322302021 is 12020322331321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4323010264225 + 7990312037796 = 2079185^2 + 2826714^2 .

It is a cyclic number.

It is not a de Polignac number, because 12313322302021 - 2¹⁵ = 12313322269253 is a prime.

It is a super-2 number, since 2×12313322302021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313322302121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473589319296 + ... + 473589319321.

It is an arithmetic number, because the mean of its divisors is an integer number (3315125235163).

Almost surely, 2^{12313322302021} is an apocalyptic number.

It is an amenable number.

12313322302021 is a deficient number, since it is larger than the sum of its proper divisors (947178638631).

12313322302021 is an equidigital number, since it uses as much as digits as its factorization.

12313322302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947178638630.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12313322302021 its reverse (12020322331321), we get a palindrome (24333644633342).

It can be divided in two parts, 1231332 and 2302021, that added together give a palindrome (3533353).

The spelling of 12313322302021 in words is "twelve trillion, three hundred thirteen billion, three hundred twenty-two million, three hundred two thousand, twenty-one".