10321020312 has 16 divisors (see below), whose sum is σ = 25802550840. Its totient is φ = 3440340096.

The previous prime is 10321020289. The next prime is 10321020317. The reversal of 10321020312 is 21302012301.

It is a junction number, because it is equal to n+sod(n) for n = 10321020291 and 10321020300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321020317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215021233 + ... + 215021280.

Almost surely, 2^10321020312 is an apocalyptic number.

10321020312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10321020312 is an abundant number, since it is smaller than the sum of its proper divisors (15481530528).

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

10321020312 is a wasteful number, since it uses less digits than its factorization.

10321020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430042522 (or 430042518 counting only the distinct ones).

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

Adding to 10321020312 its reverse (21302012301), we get a palindrome (31623032613).

The spelling of 10321020312 in words is "ten billion, three hundred twenty-one million, twenty thousand, three hundred twelve".