320001012122 has 16 divisors (see below), whose sum is σ = 523691147232. Its totient is φ = 145440247920.

The previous prime is 320001012101. The next prime is 320001012161. The reversal of 320001012122 is 221210100023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 320001012097 and 320001012106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514613 + ... + 951224.

It is an arithmetic number, because the mean of its divisors is an integer number (32730696702).

Almost surely, 2^320001012122 is an apocalyptic number.

320001012122 is a deficient number, since it is larger than the sum of its proper divisors (203690135110).

320001012122 is a wasteful number, since it uses less digits than its factorization.

320001012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475773.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 320001012122 its reverse (221210100023), we get a palindrome (541211112145).

The spelling of 320001012122 in words is "three hundred twenty billion, one million, twelve thousand, one hundred twenty-two".