1142543140012 has 12 divisors (see below), whose sum is σ = 2002484567160. Its totient is φ = 570404692256.

The previous prime is 1142543139967. The next prime is 1142543140021. The reversal of 1142543140012 is 2100413452411.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216716473 + ... + 216721744.

It is an arithmetic number, because the mean of its divisors is an integer number (166873713930).

Almost surely, 2^{1142543140012} is an apocalyptic number.

It is an amenable number.

1142543140012 is a deficient number, since it is larger than the sum of its proper divisors (859941427148).

1142543140012 is a wasteful number, since it uses less digits than its factorization.

1142543140012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433438880 (or 433438878 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1142543140012 its reverse (2100413452411), we get a palindrome (3242956592423).

The spelling of 1142543140012 in words is "one trillion, one hundred forty-two billion, five hundred forty-three million, one hundred forty thousand, twelve".