320122013218 has 8 divisors (see below), whose sum is σ = 548780594112. Its totient is φ = 137195148516.

The previous prime is 320122013213. The next prime is 320122013227. The reversal of 320122013218 is 812310221023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 320122013192 and 320122013201.

It is not an unprimeable number, because it can be changed into a prime (320122013213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11432929030 + ... + 11432929057.

It is an arithmetic number, because the mean of its divisors is an integer number (68597574264).

Almost surely, 2^320122013218 is an apocalyptic number.

320122013218 is a deficient number, since it is larger than the sum of its proper divisors (228658580894).

320122013218 is a wasteful number, since it uses less digits than its factorization.

320122013218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22865858096.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 320122013218 in words is "three hundred twenty billion, one hundred twenty-two million, thirteen thousand, two hundred eighteen".