12000311310020 has 48 divisors (see below), whose sum is σ = 27492475889088. Its totient is φ = 4363614072960.

The previous prime is 12000311310017. The next prime is 12000311310061. The reversal of 12000311310020 is 2001311300021.

It is a junction number, because it is equal to n+sod(n) for n = 12000311309977 and 12000311310004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6395042 + ... + 8055878.

It is an arithmetic number, because the mean of its divisors is an integer number (572759914356).

Almost surely, 2^{12000311310020} is an apocalyptic number.

12000311310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000311310020 is an abundant number, since it is smaller than the sum of its proper divisors (15492164579068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12000311310020 is a wasteful number, since it uses less digits than its factorization.

12000311310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693700 (or 1693698 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12000311310020 its reverse (2001311300021), we get a palindrome (14001622610041).

Subtracting from 12000311310020 its reverse (2001311300021), we obtain a palindrome (9999000009999).

The spelling of 12000311310020 in words is "twelve trillion, three hundred eleven million, three hundred ten thousand, twenty".