12200420132 has 24 divisors (see below), whose sum is σ = 21397156536. Its totient is φ = 6086965248.

The previous prime is 12200420131. The next prime is 12200420159. The reversal of 12200420132 is 23102400221.

12200420132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3147658816 + 9052761316 = 56104^2 + 95146^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12200420132.

It is not an unprimeable number, because it can be changed into a prime (12200420131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5319578 + ... + 5321870.

It is an arithmetic number, because the mean of its divisors is an integer number (891548189).

Almost surely, 2^12200420132 is an apocalyptic number.

It is an amenable number.

12200420132 is a deficient number, since it is larger than the sum of its proper divisors (9196736404).

12200420132 is a wasteful number, since it uses less digits than its factorization.

12200420132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607 (or 4605 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12200420132 its reverse (23102400221), we get a palindrome (35302820353).

The spelling of 12200420132 in words is "twelve billion, two hundred million, four hundred twenty thousand, one hundred thirty-two".