2311322420012 has 12 divisors (see below), whose sum is σ = 4063983972216. Its totient is φ = 1150184142240.

The previous prime is 2311322419969. The next prime is 2311322420039. The reversal of 2311322420012 is 2100242231132.

It is a super-2 number, since 2×2311322420012² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2311322420012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369265993 + ... + 1369267680.

It is an arithmetic number, because the mean of its divisors is an integer number (338665331018).

Almost surely, 2^{2311322420012} is an apocalyptic number.

It is an amenable number.

2311322420012 is a deficient number, since it is larger than the sum of its proper divisors (1752661552204).

2311322420012 is a wasteful number, since it uses less digits than its factorization.

2311322420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738533888 (or 2738533886 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2311322420012 its reverse (2100242231132), we get a palindrome (4411564651144).

The spelling of 2311322420012 in words is "two trillion, three hundred eleven billion, three hundred twenty-two million, four hundred twenty thousand, twelve".