220100322312 has 96 divisors (see below), whose sum is σ = 648315584280. Its totient is φ = 67052620800.

The previous prime is 220100322293. The next prime is 220100322353. The reversal of 220100322312 is 213223001022.

220100322312 is a `hidden beast` number, since 2 + 20 + 10 + 0 + 322 + 312 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 145705577796 + 74394744516 = 381714^2 + 272754^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1069573 + ... + 1258644.

Almost surely, 2^220100322312 is an apocalyptic number.

It is an amenable number.

220100322312 is an abundant number, since it is smaller than the sum of its proper divisors (428215261968).

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

220100322312 is a wasteful number, since it uses less digits than its factorization.

220100322312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328343 (or 2328336 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220100322312 its reverse (213223001022), we get a palindrome (433323323334).

The spelling of 220100322312 in words is "two hundred twenty billion, one hundred million, three hundred twenty-two thousand, three hundred twelve".