1245202444416 has 96 divisors (see below), whose sum is σ = 3847580315280. Its totient is φ = 355772121600.

The previous prime is 1245202444393. The next prime is 1245202444417. The reversal of 1245202444416 is 6144442025421.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1245202444417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33070110 + ... + 33107741.

Almost surely, 2^{1245202444416} is an apocalyptic number.

1245202444416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1245202444416 is an abundant number, since it is smaller than the sum of its proper divisors (2602377870864).

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

1245202444416 is an equidigital number, since it uses as much as digits as its factorization.

1245202444416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66177882 (or 66177863 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 39.

Adding to 1245202444416 its reverse (6144442025421), we get a palindrome (7389644469837).

The spelling of 1245202444416 in words is "one trillion, two hundred forty-five billion, two hundred two million, four hundred forty-four thousand, four hundred sixteen".