1304440220012 has 12 divisors (see below), whose sum is σ = 2303713233360. Its totient is φ = 646236439056.

The previous prime is 1304440220011. The next prime is 1304440220023. The reversal of 1304440220012 is 2100220444031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304440220012.

It is not an unprimeable number, because it can be changed into a prime (1304440220011) 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, 1495917248 + ... + 1495918119.

It is an arithmetic number, because the mean of its divisors is an integer number (191976102780).

Almost surely, 2^{1304440220012} is an apocalyptic number.

It is an amenable number.

1304440220012 is a deficient number, since it is larger than the sum of its proper divisors (999273013348).

1304440220012 is a wasteful number, since it uses less digits than its factorization.

1304440220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991835480 (or 2991835478 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1304440220012 its reverse (2100220444031), we get a palindrome (3404660664043).

The spelling of 1304440220012 in words is "one trillion, three hundred four billion, four hundred forty million, two hundred twenty thousand, twelve".