12187074455131 has 8 divisors (see below), whose sum is σ = 12717562663584. Its totient is φ = 11656637530560.

The previous prime is 12187074455093. The next prime is 12187074455167. The reversal of 12187074455131 is 13155447078121.

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 12187074455131 - 2¹¹ = 12187074453083 is a prime.

It is a super-2 number, since 2×12187074455131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12187074455531) 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, 12334956 + ... + 13286281.

It is an arithmetic number, because the mean of its divisors is an integer number (1589695332948).

Almost surely, 2^{12187074455131} is an apocalyptic number.

12187074455131 is a deficient number, since it is larger than the sum of its proper divisors (530488208453).

12187074455131 is a wasteful number, since it uses less digits than its factorization.

12187074455131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25641941.

The product of its (nonzero) digits is 940800, while the sum is 49.

The spelling of 12187074455131 in words is "twelve trillion, one hundred eighty-seven billion, seventy-four million, four hundred fifty-five thousand, one hundred thirty-one".