12497165327690 has 8 divisors (see below), whose sum is σ = 22494897589860. Its totient is φ = 4998866131072.

The previous prime is 12497165327623. The next prime is 12497165327707. The reversal of 12497165327690 is 9672356179421.

It is a happy number.

It is a Cunningham number, because it is equal to 3535133²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 12497165327689 + 1 = 3535133^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12497165327690² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624858266375 + ... + 624858266394.

Almost surely, 2^{12497165327690} is an apocalyptic number.

12497165327690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12497165327690 is a deficient number, since it is larger than the sum of its proper divisors (9997732262170).

12497165327690 is a wasteful number, since it uses less digits than its factorization.

12497165327690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249716532776.

The product of its (nonzero) digits is 34292160, while the sum is 62.

The spelling of 12497165327690 in words is "twelve trillion, four hundred ninety-seven billion, one hundred sixty-five million, three hundred twenty-seven thousand, six hundred ninety".