1244021344120 has 32 divisors (see below), whose sum is σ = 2799102628800. Its totient is φ = 497598830208.

The previous prime is 1244021344117. The next prime is 1244021344169. The reversal of 1244021344120 is 214431204421.

It is a super-2 number, since 2×1244021344120² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1985986 + ... + 2536174.

It is an arithmetic number, because the mean of its divisors is an integer number (87471957150).

Almost surely, 2^{1244021344120} is an apocalyptic number.

1244021344120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244021344120 is an abundant number, since it is smaller than the sum of its proper divisors (1555081284680).

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

1244021344120 is a wasteful number, since it uses less digits than its factorization.

1244021344120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606727 (or 606723 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1244021344120 its reverse (214431204421), we get a palindrome (1458452548541).

The spelling of 1244021344120 in words is "one trillion, two hundred forty-four billion, twenty-one million, three hundred forty-four thousand, one hundred twenty".