10321111312 has 40 divisors (see below), whose sum is σ = 20129997312. Its totient is φ = 5126352000.

The previous prime is 10321111309. The next prime is 10321111313. The reversal of 10321111312 is 21311112301.

It is a happy number.

It is a super-2 number, since 2×10321111312² (a number of 21 digits) contains 22 as substring.

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 (10321111313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678187 + ... + 2682037.

Almost surely, 2^10321111312 is an apocalyptic number.

It is an amenable number.

10321111312 is a deficient number, since it is larger than the sum of its proper divisors (9808886000).

10321111312 is a wasteful number, since it uses less digits than its factorization.

10321111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927 (or 4921 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10321111312 its reverse (21311112301), we get a palindrome (31632223613).

The spelling of 10321111312 in words is "ten billion, three hundred twenty-one million, one hundred eleven thousand, three hundred twelve".