320001012106 has 4 divisors (see below), whose sum is σ = 480001518162. Its totient is φ = 160000506052.

The previous prime is 320001012101. The next prime is 320001012161. The reversal of 320001012106 is 601210100023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 284685206481 + 35315805625 = 533559^2 + 187925^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 320001012106.

It is not an unprimeable number, because it can be changed into a prime (320001012101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80000253025 + ... + 80000253028.

Almost surely, 2^320001012106 is an apocalyptic number.

320001012106 is a deficient number, since it is larger than the sum of its proper divisors (160000506056).

320001012106 is a wasteful number, since it uses less digits than its factorization.

320001012106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160000506055.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 320001012106 its reverse (601210100023), we get a palindrome (921211112129).

The spelling of 320001012106 in words is "three hundred twenty billion, one million, twelve thousand, one hundred six".