1200044012 has 12 divisors (see below), whose sum is σ = 2172493680. Its totient is φ = 579331536.

The previous prime is 1200043981. The next prime is 1200044017. The reversal of 1200044012 is 2104400021.

It is a super-2 number, since 2×1200044012² = 2880211261474112288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200044017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5172488 + ... + 5172719.

It is an arithmetic number, because the mean of its divisors is an integer number (181041140).

Almost surely, 2^1200044012 is an apocalyptic number.

It is an amenable number.

1200044012 is a deficient number, since it is larger than the sum of its proper divisors (972449668).

1200044012 is a wasteful number, since it uses less digits than its factorization.

1200044012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10345240 (or 10345238 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1200044012 is about 34641.6514040541. The cubic root of 1200044012 is about 1062.6715606152.

Adding to 1200044012 its reverse (2104400021), we get a palindrome (3304444033).

The spelling of 1200044012 in words is "one billion, two hundred million, forty-four thousand, twelve".