1244544122120 has 64 divisors (see below), whose sum is σ = 3016001081520. Its totient is φ = 459466850304.

The previous prime is 1244544122071. The next prime is 1244544122149. The reversal of 1244544122120 is 212214454421.

It can be written as a sum of positive squares in 8 ways, for example, as 419393531236 + 825150590884 = 647606^2 + 908378^2 .

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, 4157312 + ... + 4446608.

Almost surely, 2^{1244544122120} is an apocalyptic number.

1244544122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244544122120 is an abundant number, since it is smaller than the sum of its proper divisors (1771456959400).

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

1244544122120 is a wasteful number, since it uses less digits than its factorization.

1244544122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297594 (or 297590 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 1244544122120 its reverse (212214454421), we get a palindrome (1456758576541).

The spelling of 1244544122120 in words is "one trillion, two hundred forty-four billion, five hundred forty-four million, one hundred twenty-two thousand, one hundred twenty".