1143133421412 has 96 divisors (see below), whose sum is σ = 2901323916288. Its totient is φ = 348843331584.

The previous prime is 1143133421393. The next prime is 1143133421503. The reversal of 1143133421412 is 2141243313411.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1143133421412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31132248 + ... + 31168944.

It is an arithmetic number, because the mean of its divisors is an integer number (30222124128).

Almost surely, 2^{1143133421412} is an apocalyptic number.

1143133421412 is a gapful number since it is divisible by the number (12) 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 1143133421412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450661958144).

1143133421412 is an abundant number, since it is smaller than the sum of its proper divisors (1758190494876).

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

1143133421412 is a wasteful number, since it uses less digits than its factorization.

1143133421412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40885 (or 40883 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

Adding to 1143133421412 its reverse (2141243313411), we get a palindrome (3284376734823).

The spelling of 1143133421412 in words is "one trillion, one hundred forty-three billion, one hundred thirty-three million, four hundred twenty-one thousand, four hundred twelve".