671202010012 has 24 divisors (see below), whose sum is σ = 1205553211632. Its totient is φ = 326789539200.

The previous prime is 671202009991. The next prime is 671202010049. The reversal of 671202010012 is 210010202176.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3826939 + ... + 3998482.

It is an arithmetic number, because the mean of its divisors is an integer number (50231383818).

Almost surely, 2^671202010012 is an apocalyptic number.

It is an amenable number.

671202010012 is a deficient number, since it is larger than the sum of its proper divisors (534351201620).

671202010012 is a wasteful number, since it uses less digits than its factorization.

671202010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7825989 (or 7825987 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 671202010012 its reverse (210010202176), we get a palindrome (881212212188).

The spelling of 671202010012 in words is "six hundred seventy-one billion, two hundred two million, ten thousand, twelve".