12694551350358 has 16 divisors (see below), whose sum is σ = 25389234238896. Its totient is φ = 4231495193760.

The previous prime is 12694551350357. The next prime is 12694551350401. The reversal of 12694551350358 is 85305315549621.

It is a super-2 number, since 2×12694551350358² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12694551350298 and 12694551350307.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4203241 + ... + 6561732.

It is an arithmetic number, because the mean of its divisors is an integer number (1586827139931).

Almost surely, 2^{12694551350358} is an apocalyptic number.

12694551350358 is an abundant number, since it is smaller than the sum of its proper divisors (12694682888538).

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

12694551350358 is a wasteful number, since it uses less digits than its factorization.

12694551350358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10961519.

The product of its (nonzero) digits is 19440000, while the sum is 57.

Adding to 12694551350358 its reverse (85305315549621), we get a palindrome (97999866899979).

The spelling of 12694551350358 in words is "twelve trillion, six hundred ninety-four billion, five hundred fifty-one million, three hundred fifty thousand, three hundred fifty-eight".