12161036487 has 8 divisors (see below), whose sum is σ = 16225989120. Its totient is φ = 8101720760.

The previous prime is 12161036423. The next prime is 12161036497. The reversal of 12161036487 is 78463016121.

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 12161036487 - 2⁶ = 12161036423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12161036497) 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, 1404189 + ... + 1412822.

It is an arithmetic number, because the mean of its divisors is an integer number (2028248640).

Almost surely, 2^12161036487 is an apocalyptic number.

12161036487 is a deficient number, since it is larger than the sum of its proper divisors (4064952633).

12161036487 is a wasteful number, since it uses less digits than its factorization.

12161036487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818453.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 12161036487 in words is "twelve billion, one hundred sixty-one million, thirty-six thousand, four hundred eighty-seven".