20112310313012 has 48 divisors (see below), whose sum is σ = 38652653813760. Its totient is φ = 9114390523392.

The previous prime is 20112310313003. The next prime is 20112310313087. The reversal of 20112310313012 is 21031301321102.

It is a happy number.

It is a super-2 number, since 2×20112310313012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 12559268 + ... + 14069819.

It is an arithmetic number, because the mean of its divisors is an integer number (805263621120).

Almost surely, 2^{20112310313012} is an apocalyptic number.

It is an amenable number.

20112310313012 is a deficient number, since it is larger than the sum of its proper divisors (18540343500748).

20112310313012 is a wasteful number, since it uses less digits than its factorization.

20112310313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26629520 (or 26629518 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20112310313012 its reverse (21031301321102), we get a palindrome (41143611634114).

The spelling of 20112310313012 in words is "twenty trillion, one hundred twelve billion, three hundred ten million, three hundred thirteen thousand, twelve".