1143130554012 has 24 divisors (see below), whose sum is σ = 2667405209616. Its totient is φ = 381029148928.

The previous prime is 1143130553993. The next prime is 1143130554017. The reversal of 1143130554012 is 2104550313411.

It is a super-2 number, since 2×1143130554012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143130554017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462173 + ... + 2103380.

It is an arithmetic number, because the mean of its divisors is an integer number (111141883734).

Almost surely, 2^{1143130554012} is an apocalyptic number.

1143130554012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143130554012 is an abundant number, since it is smaller than the sum of its proper divisors (1524274655604).

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

1143130554012 is a wasteful number, since it uses less digits than its factorization.

1143130554012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592277 (or 3592275 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1143130554012 its reverse (2104550313411), we get a palindrome (3247680867423).

The spelling of 1143130554012 in words is "one trillion, one hundred forty-three billion, one hundred thirty million, five hundred fifty-four thousand, twelve".