5321660040012 has 12 divisors (see below), whose sum is σ = 12417206760056. Its totient is φ = 1773886680000.

The previous prime is 5321660040001. The next prime is 5321660040077. The reversal of 5321660040012 is 2100400661235.

It is a tau number, because it is divible by the number of its divisors (12).

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, 221735834989 + ... + 221735835012.

Almost surely, 2^{5321660040012} is an apocalyptic number.

It is an amenable number.

5321660040012 is an abundant number, since it is smaller than the sum of its proper divisors (7095546720044).

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

5321660040012 is a wasteful number, since it uses less digits than its factorization.

5321660040012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443471670008 (or 443471670006 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 5321660040012 in words is "five trillion, three hundred twenty-one billion, six hundred sixty million, forty thousand, twelve".