2012129 has 8 divisors (see below), whose sum is σ = 2311680. Its totient is φ = 1715616.

The previous prime is 2012123. The next prime is 2012147. The reversal of 2012129 is 9212102.

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

It is not a de Polignac number, because 2012129 - 2⁴ = 2012113 is a prime.

It is a super-2 number, since 2×2012129² = 8097326225282, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2012123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917 + ... + 2205.

It is an arithmetic number, because the mean of its divisors is an integer number (288960).

2^2012129 is an apocalyptic number.

It is an amenable number.

2012129 is a deficient number, since it is larger than the sum of its proper divisors (299551).

2012129 is a wasteful number, since it uses less digits than its factorization.

2012129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2012129 is about 1418.4953295658. The cubic root of 2012129 is about 126.2462848954.

The spelling of 2012129 in words is "two million, twelve thousand, one hundred twenty-nine".