12232129 has 16 divisors (see below), whose sum is σ = 15942528. Its totient is φ = 9107712.

The previous prime is 12232117. The next prime is 12232141. The reversal of 12232129 is 92123221.

12232129 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12232117) and next prime (12232141).

It is a cyclic number.

It is not a de Polignac number, because 12232129 - 2⁷ = 12232001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12232169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2407 + ... + 5500.

It is an arithmetic number, because the mean of its divisors is an integer number (996408).

Almost surely, 2^12232129 is an apocalyptic number.

It is an amenable number.

12232129 is a deficient number, since it is larger than the sum of its proper divisors (3710399).

12232129 is a wasteful number, since it uses less digits than its factorization.

12232129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944.

The product of its digits is 432, while the sum is 22.

The square root of 12232129 is about 3497.4460682046. The cubic root of 12232129 is about 230.4096605811.

It can be divided in two parts, 1223212 and 9, that added together give a palindrome (1223221).

The spelling of 12232129 in words is "twelve million, two hundred thirty-two thousand, one hundred twenty-nine".