12122147 has 8 divisors (see below), whose sum is σ = 12595200. Its totient is φ = 11654280.

The previous prime is 12122119. The next prime is 12122153. The reversal of 12122147 is 74122121.

12122147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12122147 - 2⁶ = 12122083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3854 + ... + 6252.

It is an arithmetic number, because the mean of its divisors is an integer number (1574400).

Almost surely, 2^12122147 is an apocalyptic number.

12122147 is a deficient number, since it is larger than the sum of its proper divisors (473053).

12122147 is a wasteful number, since it uses less digits than its factorization.

12122147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593.

The product of its digits is 224, while the sum is 20.

The square root of 12122147 is about 3481.6873782693. The cubic root of 12122147 is about 229.7170243905.

Adding to 12122147 its reverse (74122121), we get a palindrome (86244268).

The spelling of 12122147 in words is "twelve million, one hundred twenty-two thousand, one hundred forty-seven".