320111110012 has 6 divisors (see below), whose sum is σ = 560194442528. Its totient is φ = 160055555004.

The previous prime is 320111109949. The next prime is 320111110013. The reversal of 320111110012 is 210011111023.

It is a happy number.

It is a super-2 number, since 2×320111110012² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320111109974 and 320111110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320111110013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40013888748 + ... + 40013888755.

Almost surely, 2^320111110012 is an apocalyptic number.

It is an amenable number.

320111110012 is a deficient number, since it is larger than the sum of its proper divisors (240083332516).

320111110012 is a wasteful number, since it uses less digits than its factorization.

320111110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80027777507 (or 80027777505 counting only the distinct ones).

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

Adding to 320111110012 its reverse (210011111023), we get a palindrome (530122221035).

It can be divided in two parts, 3201111 and 10012, that added together give a palindrome (3211123).

The spelling of 320111110012 in words is "three hundred twenty billion, one hundred eleven million, one hundred ten thousand, twelve".