12022020036 has 72 divisors (see below), whose sum is σ = 32742080280. Its totient is φ = 3697334784.

The previous prime is 12022020013. The next prime is 12022020037. The reversal of 12022020036 is 63002022021.

12022020036 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 6979599936 + 5042420100 = 83544^2 + 71010^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12022020037) 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 23 ways as a sum of consecutive naturals, for example, 1272466 + ... + 1281878.

It is an arithmetic number, because the mean of its divisors is an integer number (454751115).

Almost surely, 2^12022020036 is an apocalyptic number.

It is an amenable number.

12022020036 is an abundant number, since it is smaller than the sum of its proper divisors (20720060244).

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

12022020036 is a wasteful number, since it uses less digits than its factorization.

12022020036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12165 (or 12160 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12022020036 its reverse (63002022021), we get a palindrome (75024042057).

The spelling of 12022020036 in words is "twelve billion, twenty-two million, twenty thousand, thirty-six".