10212031320 has 128 divisors (see below), whose sum is σ = 31113815040. Its totient is φ = 2680888320.

The previous prime is 10212031283. The next prime is 10212031331. The reversal of 10212031320 is 2313021201.

10212031320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10212031320.

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 31 ways as a sum of consecutive naturals, for example, 8295105 + ... + 8296335.

It is an arithmetic number, because the mean of its divisors is an integer number (243076680).

Almost surely, 2^10212031320 is an apocalyptic number.

10212031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212031320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15556907520).

10212031320 is an abundant number, since it is smaller than the sum of its proper divisors (20901783720).

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

10212031320 is a wasteful number, since it uses less digits than its factorization.

10212031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2261 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10212031320 its reverse (2313021201), we get a palindrome (12525052521).

The spelling of 10212031320 in words is "ten billion, two hundred twelve million, thirty-one thousand, three hundred twenty".