1143340312112 has 40 divisors (see below), whose sum is σ = 2339859287040. Its totient is φ = 540363378240.

The previous prime is 1143340312111. The next prime is 1143340312207. The reversal of 1143340312112 is 2112130433411.

It is not an unprimeable number, because it can be changed into a prime (1143340312111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26782412 + ... + 26825067.

It is an arithmetic number, because the mean of its divisors is an integer number (58496482176).

Almost surely, 2^{1143340312112} is an apocalyptic number.

It is an amenable number.

1143340312112 is an abundant number, since it is smaller than the sum of its proper divisors (1196518974928).

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

1143340312112 is a wasteful number, since it uses less digits than its factorization.

1143340312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53607561 (or 53607555 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1143340312112 its reverse (2112130433411), we get a palindrome (3255470745523).

The spelling of 1143340312112 in words is "one trillion, one hundred forty-three billion, three hundred forty million, three hundred twelve thousand, one hundred twelve".