12122901 has 24 divisors (see below), whose sum is σ = 20106944. Its totient is φ = 6894720.

The previous prime is 12122879. The next prime is 12122933. The reversal of 12122901 is 10922121.

It is not a de Polignac number, because 12122901 - 2⁹ = 12122389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20946 + ... + 21516.

Almost surely, 2^12122901 is an apocalyptic number.

It is an amenable number.

12122901 is a deficient number, since it is larger than the sum of its proper divisors (7984043).

12122901 is a wasteful number, since it uses less digits than its factorization.

12122901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 12122901 is about 3481.7956574159. The cubic root of 12122901 is about 229.7217871069.

The spelling of 12122901 in words is "twelve million, one hundred twenty-two thousand, nine hundred one".