12022010320 has 40 divisors (see below), whose sum is σ = 28915013160. Its totient is φ = 4642982400.

The previous prime is 12022010303. The next prime is 12022010321. The reversal of 12022010320 is 2301022021.

It can be written as a sum of positive squares in 4 ways, for example, as 2049191824 + 9972818496 = 45268^2 + 99864^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 12022010320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022010321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2588631 + ... + 2593270.

It is an arithmetic number, because the mean of its divisors is an integer number (722875329).

Almost surely, 2^12022010320 is an apocalyptic number.

12022010320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022010320 is an abundant number, since it is smaller than the sum of its proper divisors (16893002840).

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

12022010320 is a wasteful number, since it uses less digits than its factorization.

12022010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181943 (or 5181937 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12022010320 its reverse (2301022021), we get a palindrome (14323032341).

The spelling of 12022010320 in words is "twelve billion, twenty-two million, ten thousand, three hundred twenty".