10320111012 has 12 divisors (see below), whose sum is σ = 24080259056. Its totient is φ = 3440037000.

The previous prime is 10320111007. The next prime is 10320111019. The reversal of 10320111012 is 21011102301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 860009251 = 10320111012 / (1 + 0 + 3 + 2 + 0 + 1 + 1 + 1 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (10320111019) 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, 430004614 + ... + 430004637.

Almost surely, 2^10320111012 is an apocalyptic number.

10320111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10320111012 is an abundant number, since it is smaller than the sum of its proper divisors (13760148044).

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

10320111012 is a wasteful number, since it uses less digits than its factorization.

10320111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860009258 (or 860009256 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 10320111012 its reverse (21011102301), we get a palindrome (31331213313).

The spelling of 10320111012 in words is "ten billion, three hundred twenty million, one hundred eleven thousand, twelve".