10312120112020 has 24 divisors (see below), whose sum is σ = 21655553467464. Its totient is φ = 4124828762496.

The previous prime is 10312120111987. The next prime is 10312120112059. The reversal of 10312120112020 is 2021102121301.

It can be written as a sum of positive squares in 4 ways, for example, as 686216737924 + 9625903374096 = 828382^2 + 3102564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10312120111985 and 10312120112003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3659034 + ... + 5832046.

It is an arithmetic number, because the mean of its divisors is an integer number (902314727811).

Almost surely, 2^{10312120112020} is an apocalyptic number.

10312120112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10312120112020 is an abundant number, since it is smaller than the sum of its proper divisors (11343433355444).

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

10312120112020 is a wasteful number, since it uses less digits than its factorization.

10312120112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410299 (or 2410297 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10312120112020 its reverse (2021102121301), we get a palindrome (12333222233321).

The spelling of 10312120112020 in words is "ten trillion, three hundred twelve billion, one hundred twenty million, one hundred twelve thousand, twenty".