1244231263160 has 96 divisors (see below), whose sum is σ = 2894624948880. Its totient is φ = 481324193280.

The previous prime is 1244231263147. The next prime is 1244231263169. The reversal of 1244231263160 is 613621324421.

It is a super-2 number, since 2×1244231263160² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1244231263160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244231263169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64069772 + ... + 64089188.

Almost surely, 2^{1244231263160} is an apocalyptic number.

1244231263160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244231263160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447312474440).

1244231263160 is an abundant number, since it is smaller than the sum of its proper divisors (1650393685720).

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

1244231263160 is a wasteful number, since it uses less digits than its factorization.

1244231263160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21157 (or 21122 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 1244231263160 its reverse (613621324421), we get a palindrome (1857852587581).

The spelling of 1244231263160 in words is "one trillion, two hundred forty-four billion, two hundred thirty-one million, two hundred sixty-three thousand, one hundred sixty".