1233220012 has 12 divisors (see below), whose sum is σ = 2232553680. Its totient is φ = 595347536.

The previous prime is 1233219989. The next prime is 1233220033. The reversal of 1233220012 is 2100223321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5315488 + ... + 5315719.

It is an arithmetic number, because the mean of its divisors is an integer number (186046140).

Almost surely, 2^1233220012 is an apocalyptic number.

It is an amenable number.

1233220012 is a deficient number, since it is larger than the sum of its proper divisors (999333668).

1233220012 is a wasteful number, since it uses less digits than its factorization.

1233220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10631240 (or 10631238 counting only the distinct ones).

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

The square root of 1233220012 is about 35117.2324080358. The cubic root of 1233220012 is about 1072.3754289020.

Adding to 1233220012 its reverse (2100223321), we get a palindrome (3333443333).

The spelling of 1233220012 in words is "one billion, two hundred thirty-three million, two hundred twenty thousand, twelve".