12120220002 has 64 divisors (see below), whose sum is σ = 27493820928. Its totient is φ = 3529680000.

The previous prime is 12120219997. The next prime is 12120220027. The reversal of 12120220002 is 20002202121.

12120220002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12120220002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147877 + ... + 214727.

It is an arithmetic number, because the mean of its divisors is an integer number (429590952).

Almost surely, 2^12120220002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12120220002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13746910464).

12120220002 is an abundant number, since it is smaller than the sum of its proper divisors (15373600926).

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

12120220002 is a wasteful number, since it uses less digits than its factorization.

12120220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66975.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12120220002 its reverse (20002202121), we get a palindrome (32122422123).

The spelling of 12120220002 in words is "twelve billion, one hundred twenty million, two hundred twenty thousand, two".