12140446279 has 8 divisors (see below), whose sum is σ = 13076037632. Its totient is φ = 11205099360.

The previous prime is 12140446277. The next prime is 12140446337. The reversal of 12140446279 is 97264404121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12140446279 - 2¹ = 12140446277 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 (12140446277) 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, 49477 + ... + 163489.

It is an arithmetic number, because the mean of its divisors is an integer number (1634504704).

Almost surely, 2^12140446279 is an apocalyptic number.

12140446279 is a deficient number, since it is larger than the sum of its proper divisors (935591353).

12140446279 is a wasteful number, since it uses less digits than its factorization.

12140446279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122217.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 12140446279 in words is "twelve billion, one hundred forty million, four hundred forty-six thousand, two hundred seventy-nine".