12547402031161 has 8 divisors (see below), whose sum is σ = 13227734744064. Its totient is φ = 11884292931360.

The previous prime is 12547402031149. The next prime is 12547402031167. The reversal of 12547402031161 is 16113020474521.

12547402031161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12547402031161 - 2⁷ = 12547402031033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12547402031161.

It is not an unprimeable number, because it can be changed into a prime (12547402031167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4305901780 + ... + 4305904693.

It is an arithmetic number, because the mean of its divisors is an integer number (1653466843008).

Almost surely, 2^{12547402031161} is an apocalyptic number.

It is an amenable number.

12547402031161 is a deficient number, since it is larger than the sum of its proper divisors (680332712903).

12547402031161 is an equidigital number, since it uses as much as digits as its factorization.

12547402031161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611806551.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 12547402031161 in words is "twelve trillion, five hundred forty-seven billion, four hundred two million, thirty-one thousand, one hundred sixty-one".