12694551350366 has 16 divisors (see below), whose sum is σ = 19128791571840. Its totient is φ = 6318298544160.

The previous prime is 12694551350357. The next prime is 12694551350401. The reversal of 12694551350366 is 66305315549621.

It is a super-2 number, since 2×12694551350366² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent 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, 460526 + ... + 5059761.

It is an arithmetic number, because the mean of its divisors is an integer number (1195549473240).

Almost surely, 2^{12694551350366} is an apocalyptic number.

12694551350366 is a deficient number, since it is larger than the sum of its proper divisors (6434240221474).

12694551350366 is a wasteful number, since it uses less digits than its factorization.

12694551350366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525539.

The product of its (nonzero) digits is 17496000, while the sum is 56.

Adding to 12694551350366 its reverse (66305315549621), we get a palindrome (78999866899987).

The spelling of 12694551350366 in words is "twelve trillion, six hundred ninety-four billion, five hundred fifty-one million, three hundred fifty thousand, three hundred sixty-six".