10312111012 has 24 divisors (see below), whose sum is σ = 20710529280. Its totient is φ = 4400981760.

The previous prime is 10312110997. The next prime is 10312111013. The reversal of 10312111012 is 21011121301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10312110983 and 10312111001.

It is not an unprimeable number, because it can be changed into a prime (10312111013) 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, 763789 + ... + 777172.

It is an arithmetic number, because the mean of its divisors is an integer number (862938720).

Almost surely, 2^10312111012 is an apocalyptic number.

It is an amenable number.

10312111012 is an abundant number, since it is smaller than the sum of its proper divisors (10398418268).

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

10312111012 is a wasteful number, since it uses less digits than its factorization.

10312111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541211 (or 1541209 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10312111012 its reverse (21011121301), we get a palindrome (31323232313).

The spelling of 10312111012 in words is "ten billion, three hundred twelve million, one hundred eleven thousand, twelve".