1044143131220 has 48 divisors (see below), whose sum is σ = 2511924428160. Its totient is φ = 357137514624.

The previous prime is 1044143131201. The next prime is 1044143131231. The reversal of 1044143131220 is 221313414401.

It is a super-2 number, since 2×1044143131220² (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 1044143131220.

It is a congruent number.

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, 8841299 + ... + 8958618.

It is an arithmetic number, because the mean of its divisors is an integer number (52331758920).

Almost surely, 2^{1044143131220} is an apocalyptic number.

1044143131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044143131220 is an abundant number, since it is smaller than the sum of its proper divisors (1467781296940).

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

1044143131220 is a wasteful number, since it uses less digits than its factorization.

1044143131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17800352 (or 17800350 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1044143131220 its reverse (221313414401), we get a palindrome (1265456545621).

The spelling of 1044143131220 in words is "one trillion, forty-four billion, one hundred forty-three million, one hundred thirty-one thousand, two hundred twenty".