10120321312 has 48 divisors (see below), whose sum is σ = 20066840640. Its totient is φ = 5024118528.

The previous prime is 10120321303. The next prime is 10120321319. The reversal of 10120321312 is 21312302101.

10120321312 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 (16).

It is not an unprimeable number, because it can be changed into a prime (10120321319) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2719389 + ... + 2723107.

It is an arithmetic number, because the mean of its divisors is an integer number (418059180).

Almost surely, 2^10120321312 is an apocalyptic number.

It is an amenable number.

10120321312 is a deficient number, since it is larger than the sum of its proper divisors (9946519328).

10120321312 is a wasteful number, since it uses less digits than its factorization.

10120321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313 (or 4305 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10120321312 its reverse (21312302101), we get a palindrome (31432623413).

The spelling of 10120321312 in words is "ten billion, one hundred twenty million, three hundred twenty-one thousand, three hundred twelve".