7051661712012 has 96 divisors (see below), whose sum is σ = 17682649298944. Its totient is φ = 2182931596800.

The previous prime is 7051661712001. The next prime is 7051661712041. The reversal of 7051661712012 is 2102171661507.

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 31 ways as a sum of consecutive naturals, for example, 2504314 + ... + 4513857.

Almost surely, 2^{7051661712012} is an apocalyptic number.

It is an amenable number.

7051661712012 is an abundant number, since it is smaller than the sum of its proper divisors (10630987586932).

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

7051661712012 is a wasteful number, since it uses less digits than its factorization.

7051661712012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018319 (or 7018317 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 7051661712012 in words is "seven trillion, fifty-one billion, six hundred sixty-one million, seven hundred twelve thousand, twelve".