1543342240612 has 12 divisors (see below), whose sum is σ = 2700866104636. Its totient is φ = 771666210720.

The previous prime is 1543342240571. The next prime is 1543342240667. The reversal of 1543342240612 is 2160422433451.

It can be written as a sum of positive squares in 2 ways, for example, as 260432626276 + 1282909614336 = 510326^2 + 1132656^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 467883 + ... + 1818130.

Almost surely, 2^{1543342240612} is an apocalyptic number.

It is an amenable number.

1543342240612 is a deficient number, since it is larger than the sum of its proper divisors (1157523864024).

1543342240612 is a wasteful number, since it uses less digits than its factorization.

1543342240612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454798 (or 2454796 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 1543342240612 in words is "one trillion, five hundred forty-three billion, three hundred forty-two million, two hundred forty thousand, six hundred twelve".