22120303012 has 6 divisors (see below), whose sum is σ = 38710530278. Its totient is φ = 11060151504.

The previous prime is 22120303003. The next prime is 22120303043. The reversal of 22120303012 is 21030302122.

It can be written as a sum of positive squares in only one way, i.e., 18687983616 + 3432319396 = 136704^2 + 58586^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765037873 + ... + 2765037880.

Almost surely, 2^22120303012 is an apocalyptic number.

It is an amenable number.

22120303012 is a deficient number, since it is larger than the sum of its proper divisors (16590227266).

22120303012 is a wasteful number, since it uses less digits than its factorization.

22120303012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530075757 (or 5530075755 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22120303012 its reverse (21030302122), we get a palindrome (43150605134).

The spelling of 22120303012 in words is "twenty-two billion, one hundred twenty million, three hundred three thousand, twelve".