12105872475087 has 8 divisors (see below), whose sum is σ = 16141193968000. Its totient is φ = 8070566316120.

The previous prime is 12105872475061. The next prime is 12105872475089. The reversal of 12105872475087 is 78057427850121.

12105872475087 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 not a de Polignac number, because 12105872475087 - 2⁶ = 12105872475023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105872475089) 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, 1843837 + ... + 5254662.

It is an arithmetic number, because the mean of its divisors is an integer number (2017649246000).

Almost surely, 2^{12105872475087} is an apocalyptic number.

12105872475087 is a deficient number, since it is larger than the sum of its proper divisors (4035321492913).

12105872475087 is an equidigital number, since it uses as much as digits as its factorization.

12105872475087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666973.

The product of its (nonzero) digits is 8780800, while the sum is 57.

The spelling of 12105872475087 in words is "twelve trillion, one hundred five billion, eight hundred seventy-two million, four hundred seventy-five thousand, eighty-seven".