1244113401232 has 80 divisors (see below), whose sum is σ = 2607084385920. Its totient is φ = 571732033536.

The previous prime is 1244113401211. The next prime is 1244113401247. The reversal of 1244113401232 is 2321043114421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244113401232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221251573 + ... + 221257195.

It is an arithmetic number, because the mean of its divisors is an integer number (32588554824).

Almost surely, 2^{1244113401232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244113401232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303542192960).

1244113401232 is an abundant number, since it is smaller than the sum of its proper divisors (1362970984688).

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

1244113401232 is a wasteful number, since it uses less digits than its factorization.

1244113401232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10040 (or 10034 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1244113401232 its reverse (2321043114421), we get a palindrome (3565156515653).

The spelling of 1244113401232 in words is "one trillion, two hundred forty-four billion, one hundred thirteen million, four hundred one thousand, two hundred thirty-two".