1143112120320 has 192 divisors, whose sum is σ = 3684995233920. Its totient is φ = 302501888000.

The previous prime is 1143112120313. The next prime is 1143112120387. The reversal of 1143112120320 is 230212113411.

It is a tau number, because it is divible by the number of its divisors (192).

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, 3882295 + ... + 4166345.

It is an arithmetic number, because the mean of its divisors is an integer number (19192683510).

Almost surely, 2^{1143112120320} is an apocalyptic number.

1143112120320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143112120320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1842497616960).

1143112120320 is an abundant number, since it is smaller than the sum of its proper divisors (2541883113600).

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

1143112120320 is a wasteful number, since it uses less digits than its factorization.

1143112120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284212 (or 284192 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1143112120320 its reverse (230212113411), we get a palindrome (1373324233731).

The spelling of 1143112120320 in words is "one trillion, one hundred forty-three billion, one hundred twelve million, one hundred twenty thousand, three hundred twenty".