42163256012 has 12 divisors (see below), whose sum is σ = 76993772016. Its totient is φ = 20165035440.

The previous prime is 42163255957. The next prime is 42163256053. The reversal of 42163256012 is 21065236124.

It is a self number, because there is not a number n which added to its sum of digits gives 42163256012.

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, 229148039 + ... + 229148222.

It is an arithmetic number, because the mean of its divisors is an integer number (6416147668).

Almost surely, 2^42163256012 is an apocalyptic number.

It is an amenable number.

42163256012 is a deficient number, since it is larger than the sum of its proper divisors (34830516004).

42163256012 is a wasteful number, since it uses less digits than its factorization.

42163256012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458296288 (or 458296286 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 42163256012 in words is "forty-two billion, one hundred sixty-three million, two hundred fifty-six thousand, twelve".