12120666242 has 8 divisors (see below), whose sum is σ = 18181573632. Its totient is φ = 6060141700.

The previous prime is 12120666199. The next prime is 12120666281. The reversal of 12120666242 is 24266602121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12120666199 and 12120666208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4367 + ... + 155757.

It is an arithmetic number, because the mean of its divisors is an integer number (2272696704).

Almost surely, 2^12120666242 is an apocalyptic number.

12120666242 is a deficient number, since it is larger than the sum of its proper divisors (6060907390).

12120666242 is a wasteful number, since it uses less digits than its factorization.

12120666242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191424.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 12120666242 in words is "twelve billion, one hundred twenty million, six hundred sixty-six thousand, two hundred forty-two".