12142667872 has 12 divisors (see below), whose sum is σ = 23905877436. Its totient is φ = 6071333920.

The previous prime is 12142667857. The next prime is 12142667891. The reversal of 12142667872 is 27876624121.

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, 189729154 + ... + 189729217.

It is an arithmetic number, because the mean of its divisors is an integer number (1992156453).

Almost surely, 2^12142667872 is an apocalyptic number.

It is an amenable number.

12142667872 is a deficient number, since it is larger than the sum of its proper divisors (11763209564).

12142667872 is an equidigital number, since it uses as much as digits as its factorization.

12142667872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379458381 (or 379458373 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The spelling of 12142667872 in words is "twelve billion, one hundred forty-two million, six hundred sixty-seven thousand, eight hundred seventy-two".