320111045012 has 12 divisors (see below), whose sum is σ = 611121086016. Its totient is φ = 145505020440.

The previous prime is 320111044993. The next prime is 320111045021. The reversal of 320111045012 is 210540111023.

It is a super-2 number, since 2×320111045012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3637625468 + ... + 3637625555.

It is an arithmetic number, because the mean of its divisors is an integer number (50926757168).

Almost surely, 2^320111045012 is an apocalyptic number.

It is an amenable number.

320111045012 is a deficient number, since it is larger than the sum of its proper divisors (291010041004).

320111045012 is a wasteful number, since it uses less digits than its factorization.

320111045012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275251038 (or 7275251036 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 320111045012 its reverse (210540111023), we get a palindrome (530651156035).

The spelling of 320111045012 in words is "three hundred twenty billion, one hundred eleven million, forty-five thousand, twelve".