220302312032012 has 96 divisors (see below), whose sum is σ = 459067869066240. Its totient is φ = 90538063994880.

The previous prime is 220302312031999. The next prime is 220302312032039. The reversal of 220302312032012 is 210230213203022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472333073 + ... + 472799255.

It is an arithmetic number, because the mean of its divisors is an integer number (4781956969440).

Almost surely, 2^{220302312032012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220302312032012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229533934533120).

220302312032012 is an abundant number, since it is smaller than the sum of its proper divisors (238765557034228).

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

220302312032012 is a wasteful number, since it uses less digits than its factorization.

220302312032012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473271 (or 473269 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 220302312032012 its reverse (210230213203022), we get a palindrome (430532525235034).

The spelling of 220302312032012 in words is "two hundred twenty trillion, three hundred two billion, three hundred twelve million, thirty-two thousand, twelve".