12001642318 has 4 divisors (see below), whose sum is σ = 18002463480. Its totient is φ = 6000821158.

The previous prime is 12001642309. The next prime is 12001642349. The reversal of 12001642318 is 81324610021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000410578 + ... + 3000410581.

It is an arithmetic number, because the mean of its divisors is an integer number (4500615870).

Almost surely, 2^12001642318 is an apocalyptic number.

12001642318 is a deficient number, since it is larger than the sum of its proper divisors (6000821162).

12001642318 is an equidigital number, since it uses as much as digits as its factorization.

12001642318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000821161.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 12001642318 in words is "twelve billion, one million, six hundred forty-two thousand, three hundred eighteen".