320001111012 has 48 divisors (see below), whose sum is σ = 836563113792. Its totient is φ = 94349220480.

The previous prime is 320001111011. The next prime is 320001111047. The reversal of 320001111012 is 210111100023.

It is a super-2 number, since 2×320001111012² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (320001111011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32755263 + ... + 32765030.

It is an arithmetic number, because the mean of its divisors is an integer number (17428398204).

Almost surely, 2^320001111012 is an apocalyptic number.

It is an amenable number.

320001111012 is an abundant number, since it is smaller than the sum of its proper divisors (516562002780).

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

320001111012 is a wasteful number, since it uses less digits than its factorization.

320001111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65520348 (or 65520346 counting only the distinct ones).

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

Adding to 320001111012 its reverse (210111100023), we get a palindrome (530112211035).

The spelling of 320001111012 in words is "three hundred twenty billion, one million, one hundred eleven thousand, twelve".