1044220012 has 96 divisors (see below), whose sum is σ = 2159136000. Its totient is φ = 436896000.

The previous prime is 1044220007. The next prime is 1044220013. The reversal of 1044220012 is 2100224401.

It is a super-2 number, since 2×1044220012² = 2180790866922560288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1044220013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7008114 + ... + 7008262.

It is an arithmetic number, because the mean of its divisors is an integer number (22491000).

Almost surely, 2^1044220012 is an apocalyptic number.

It is an amenable number.

1044220012 is an abundant number, since it is smaller than the sum of its proper divisors (1114915988).

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

1044220012 is a wasteful number, since it uses less digits than its factorization.

1044220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1044220012 is about 32314.3932636836. The cubic root of 1044220012 is about 1014.5279214094.

Adding to 1044220012 its reverse (2100224401), we get a palindrome (3144444413).

The spelling of 1044220012 in words is "one billion, forty-four million, two hundred twenty thousand, twelve".