1143212474566 has 16 divisors (see below), whose sum is σ = 1724511409920. Its totient is φ = 568377819520.

The previous prime is 1143212474563. The next prime is 1143212474627. The reversal of 1143212474566 is 6654742123411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143212474563) 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, 304200 + ... + 1542388.

It is an arithmetic number, because the mean of its divisors is an integer number (107781963120).

Almost surely, 2^{1143212474566} is an apocalyptic number.

1143212474566 is a deficient number, since it is larger than the sum of its proper divisors (581298935354).

1143212474566 is a wasteful number, since it uses less digits than its factorization.

1143212474566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240799.

The product of its digits is 967680, while the sum is 46.

Adding to 1143212474566 its reverse (6654742123411), we get a palindrome (7797954597977).

The spelling of 1143212474566 in words is "one trillion, one hundred forty-three billion, two hundred twelve million, four hundred seventy-four thousand, five hundred sixty-six".