1244334200013 has 72 divisors (see below), whose sum is σ = 1869763746240. Its totient is φ = 797101240320.

The previous prime is 1244334200009. The next prime is 1244334200051. The reversal of 1244334200013 is 3100024334421.

1244334200013 is a `hidden beast` number, since 1 + 2 + 443 + 3 + 4 + 200 + 0 + 13 = 666.

It is not a de Polignac number, because 1244334200013 - 2² = 1244334200009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1244334200013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244334200063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 402825973 + ... + 402829061.

It is an arithmetic number, because the mean of its divisors is an integer number (25968940920).

Almost surely, 2^{1244334200013} is an apocalyptic number.

It is an amenable number.

1244334200013 is a deficient number, since it is larger than the sum of its proper divisors (625429546227).

1244334200013 is an equidigital number, since it uses as much as digits as its factorization.

1244334200013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427 (or 3327 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1244334200013 its reverse (3100024334421), we get a palindrome (4344358534434).

The spelling of 1244334200013 in words is "one trillion, two hundred forty-four billion, three hundred thirty-four million, two hundred thousand, thirteen".