12192129 has 48 divisors (see below), whose sum is σ = 19918080. Its totient is φ = 7153920.

The previous prime is 12192121. The next prime is 12192143. The reversal of 12192129 is 92129121.

It is not a de Polignac number, because 12192129 - 2³ = 12192121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12192121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259384 + ... + 259430.

It is an arithmetic number, because the mean of its divisors is an integer number (414960).

Almost surely, 2^12192129 is an apocalyptic number.

12192129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12192129 is a deficient number, since it is larger than the sum of its proper divisors (7725951).

12192129 is a wasteful number, since it uses less digits than its factorization.

12192129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 147 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 12192129 is about 3491.7229271522. The cubic root of 12192129 is about 230.1582338994.

It can be divided in two parts, 12192 and 129, that added together give a palindrome (12321).

The spelling of 12192129 in words is "twelve million, one hundred ninety-two thousand, one hundred twenty-nine".