22120003012 has 12 divisors (see below), whose sum is σ = 38992561020. Its totient is φ = 10979271296.

The previous prime is 22120003001. The next prime is 22120003021. The reversal of 22120003012 is 21030002122.

It can be written as a sum of positive squares in 2 ways, for example, as 14700592516 + 7419410496 = 121246^2 + 86136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22120002983 and 22120003001.

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 3 ways as a sum of consecutive naturals, for example, 20181937 + ... + 20183032.

It is an arithmetic number, because the mean of its divisors is an integer number (3249380085).

Almost surely, 2^22120003012 is an apocalyptic number.

It is an amenable number.

22120003012 is a deficient number, since it is larger than the sum of its proper divisors (16872558008).

22120003012 is a wasteful number, since it uses less digits than its factorization.

22120003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40365110 (or 40365108 counting only the distinct ones).

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

Adding to 22120003012 its reverse (21030002122), we get a palindrome (43150005134).

The spelling of 22120003012 in words is "twenty-two billion, one hundred twenty million, three thousand, twelve".