12694551350364 has 96 divisors (see below), whose sum is σ = 35482386401280. Its totient is φ = 3901727793600.

The previous prime is 12694551350357. The next prime is 12694551350401. The reversal of 12694551350364 is 46305315549621.

12694551350364 is a `hidden beast` number, since 1 + 2 + 6 + 9 + 4 + 551 + 3 + 50 + 36 + 4 = 666.

It is a super-2 number, since 2×12694551350364² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 12694551350364.

It is a congruent number.

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, 3683472 + ... + 6241559.

It is an arithmetic number, because the mean of its divisors is an integer number (369608191680).

Almost surely, 2^{12694551350364} is an apocalyptic number.

It is an amenable number.

12694551350364 is an abundant number, since it is smaller than the sum of its proper divisors (22787835050916).

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

12694551350364 is a wasteful number, since it uses less digits than its factorization.

12694551350364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9925968 (or 9925960 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

Adding to 12694551350364 its reverse (46305315549621), we get a palindrome (58999866899985).

The spelling of 12694551350364 in words is "twelve trillion, six hundred ninety-four billion, five hundred fifty-one million, three hundred fifty thousand, three hundred sixty-four".