42666666660012 has 24 divisors (see below), whose sum is σ = 99607058726896. Its totient is φ = 14214864621888.

The previous prime is 42666666659989. The next prime is 42666666660029. The reversal of 42666666660012 is 21006666666624.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919675603 + ... + 919721994.

Almost surely, 2^{42666666660012} is an apocalyptic number.

It is an amenable number.

42666666660012 is an abundant number, since it is smaller than the sum of its proper divisors (56940392066884).

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

42666666660012 is a wasteful number, since it uses less digits than its factorization.

42666666660012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839399537 (or 1839399535 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 57.

The spelling of 42666666660012 in words is "forty-two trillion, six hundred sixty-six billion, six hundred sixty-six million, six hundred sixty thousand, twelve".