12694551350356 has 6 divisors (see below), whose sum is σ = 22215464863130. Its totient is φ = 6347275675176.

The previous prime is 12694551350333. The next prime is 12694551350357. The reversal of 12694551350356 is 65305315549621.

It is a happy number.

12694551350356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12549873056400 + 144678293956 = 3542580^2 + 380366^2 .

It is a super-2 number, since 2×12694551350356² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12694551350297 and 12694551350306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12694551350357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1586818918791 + ... + 1586818918798.

Almost surely, 2^{12694551350356} is an apocalyptic number.

It is an amenable number.

12694551350356 is a deficient number, since it is larger than the sum of its proper divisors (9520913512774).

12694551350356 is a wasteful number, since it uses less digits than its factorization.

12694551350356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173637837593 (or 3173637837591 counting only the distinct ones).

The product of its (nonzero) digits is 14580000, while the sum is 55.

Adding to 12694551350356 its reverse (65305315549621), we get a palindrome (77999866899977).

The spelling of 12694551350356 in words is "twelve trillion, six hundred ninety-four billion, five hundred fifty-one million, three hundred fifty thousand, three hundred fifty-six".