12120998 has 8 divisors (see below), whose sum is σ = 18196320. Its totient is φ = 6055560.

The previous prime is 12120989. The next prime is 12121009. The reversal of 12120998 is 89902121.

It is a happy number.

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

It is a congruent number.

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, 3203 + ... + 5873.

It is an arithmetic number, because the mean of its divisors is an integer number (2274540).

Almost surely, 2^12120998 is an apocalyptic number.

12120998 is a deficient number, since it is larger than the sum of its proper divisors (6075322).

12120998 is a wasteful number, since it uses less digits than its factorization.

12120998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 12120998 is about 3481.5223681602. The cubic root of 12120998 is about 229.7097662373.

The spelling of 12120998 in words is "twelve million, one hundred twenty thousand, nine hundred ninety-eight".