320142202122 has 16 divisors (see below), whose sum is σ = 640450628640. Its totient is φ = 106686363312.

The previous prime is 320142202109. The next prime is 320142202139. The reversal of 320142202122 is 221202241023.

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, 6900972 + ... + 6947207.

It is an arithmetic number, because the mean of its divisors is an integer number (40028164290).

Almost surely, 2^320142202122 is an apocalyptic number.

320142202122 is an abundant number, since it is smaller than the sum of its proper divisors (320308426518).

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

320142202122 is a wasteful number, since it uses less digits than its factorization.

320142202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13852037.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 320142202122 its reverse (221202241023), we get a palindrome (541344443145).

The spelling of 320142202122 in words is "three hundred twenty billion, one hundred forty-two million, two hundred two thousand, one hundred twenty-two".