12140445187 has 8 divisors (see below), whose sum is σ = 13075188560. Its totient is φ = 11205825120.

The previous prime is 12140445167. The next prime is 12140445193. The reversal of 12140445187 is 78154404121.

It is a happy number.

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 12140445187 - 2²⁷ = 12006227459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12140445167) 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, 331264 + ... + 366082.

It is an arithmetic number, because the mean of its divisors is an integer number (1634398570).

Almost surely, 2^12140445187 is an apocalyptic number.

12140445187 is a deficient number, since it is larger than the sum of its proper divisors (934743373).

12140445187 is a wasteful number, since it uses less digits than its factorization.

12140445187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61653.

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 12140445187 in words is "twelve billion, one hundred forty million, four hundred forty-five thousand, one hundred eighty-seven".