12020029 has 16 divisors (see below), whose sum is σ = 14152320. Its totient is φ = 9996480.

The previous prime is 12019993. The next prime is 12020051. The reversal of 12020029 is 92002021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12019994 and 12020021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020929) 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, 66319 + ... + 66499.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 2^12020029 is an apocalyptic number.

It is an amenable number.

12020029 is a deficient number, since it is larger than the sum of its proper divisors (2132291).

12020029 is a wasteful number, since it uses less digits than its factorization.

12020029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12020029 is about 3466.9913469751. The cubic root of 12020029 is about 229.0701526074.

The spelling of 12020029 in words is "twelve million, twenty thousand, twenty-nine".