12002120322 has 32 divisors (see below), whose sum is σ = 25437646080. Its totient is φ = 3768535680.

The previous prime is 12002120257. The next prime is 12002120323. The reversal of 12002120322 is 22302120021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12002120323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834058 + ... + 848325.

It is an arithmetic number, because the mean of its divisors is an integer number (794926440).

Almost surely, 2^12002120322 is an apocalyptic number.

12002120322 is an abundant number, since it is smaller than the sum of its proper divisors (13435525758).

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

12002120322 is a wasteful number, since it uses less digits than its factorization.

12002120322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682458.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12002120322 its reverse (22302120021), we get a palindrome (34304240343).

The spelling of 12002120322 in words is "twelve billion, two million, one hundred twenty thousand, three hundred twenty-two".