12537683197 has 8 divisors (see below), whose sum is σ = 14212758560. Its totient is φ = 10964127600.

The previous prime is 12537683189. The next prime is 12537683201. The reversal of 12537683197 is 79138673521.

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

It is a cyclic number.

It is not a de Polignac number, because 12537683197 - 2³ = 12537683189 is a prime.

It is a super-2 number, since 2×12537683197² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12537681197) 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, 25379679 + ... + 25380172.

It is an arithmetic number, because the mean of its divisors is an integer number (1776594820).

Almost surely, 2^12537683197 is an apocalyptic number.

It is an amenable number.

12537683197 is a deficient number, since it is larger than the sum of its proper divisors (1675075363).

12537683197 is a wasteful number, since it uses less digits than its factorization.

12537683197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50759883.

The product of its digits is 1905120, while the sum is 52.

The spelling of 12537683197 in words is "twelve billion, five hundred thirty-seven million, six hundred eighty-three thousand, one hundred ninety-seven".