12122998 has 4 divisors (see below), whose sum is σ = 18184500. Its totient is φ = 6061498.

The previous prime is 12122987. The next prime is 12123017. The reversal of 12122998 is 89922121.

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, 3030748 + ... + 3030751.

It is an arithmetic number, because the mean of its divisors is an integer number (4546125).

Almost surely, 2^12122998 is an apocalyptic number.

12122998 is a deficient number, since it is larger than the sum of its proper divisors (6061502).

12122998 is an equidigital number, since it uses as much as digits as its factorization.

12122998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061501.

The product of its digits is 5184, while the sum is 34.

The square root of 12122998 is about 3481.8095869820. The cubic root of 12122998 is about 229.7223998028.

The spelling of 12122998 in words is "twelve million, one hundred twenty-two thousand, nine hundred ninety-eight".