12206129 has 8 divisors (see below), whose sum is σ = 13598760. Its totient is φ = 10878336.

The previous prime is 12206101. The next prime is 12206143. The reversal of 12206129 is 92160221.

It can be written as a sum of positive squares in 4 ways, for example, as 970225 + 11235904 = 985^2 + 3352^2 .

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 12206129 - 2¹⁶ = 12140593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12206149) 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, 15812 + ... + 16565.

It is an arithmetic number, because the mean of its divisors is an integer number (1699845).

Almost surely, 2^12206129 is an apocalyptic number.

It is an amenable number.

12206129 is a deficient number, since it is larger than the sum of its proper divisors (1392631).

12206129 is a wasteful number, since it uses less digits than its factorization.

12206129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32419.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12206129 is about 3493.7270929482. The cubic root of 12206129 is about 230.2462957062.

The spelling of 12206129 in words is "twelve million, two hundred six thousand, one hundred twenty-nine".