1244020231120 has 40 divisors (see below), whose sum is σ = 2899978630560. Its totient is φ = 496295130240.

The previous prime is 1244020231109. The next prime is 1244020231123. The reversal of 1244020231120 is 211320204421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1244020231091 and 1244020231100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244020231123) 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 7 ways as a sum of consecutive naturals, for example, 20484526 + ... + 20545165.

It is an arithmetic number, because the mean of its divisors is an integer number (72499465764).

Almost surely, 2^{1244020231120} is an apocalyptic number.

1244020231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244020231120 is an abundant number, since it is smaller than the sum of its proper divisors (1655958399440).

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

1244020231120 is a wasteful number, since it uses less digits than its factorization.

1244020231120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41030083 (or 41030077 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1244020231120 its reverse (211320204421), we get a palindrome (1455340435541).

The spelling of 1244020231120 in words is "one trillion, two hundred forty-four billion, twenty million, two hundred thirty-one thousand, one hundred twenty".