12120063 has 4 divisors (see below), whose sum is σ = 16160088. Its totient is φ = 8080040.

The previous prime is 12120061. The next prime is 12120067. The reversal of 12120063 is 36002121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12120063 - 2¹ = 12120061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020008 + ... + 2020013.

It is an arithmetic number, because the mean of its divisors is an integer number (4040022).

Almost surely, 2^12120063 is an apocalyptic number.

12120063 is a deficient number, since it is larger than the sum of its proper divisors (4040025).

12120063 is an equidigital number, since it uses as much as digits as its factorization.

12120063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040024.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 12120063 is about 3481.3880852327. The cubic root of 12120063 is about 229.7038595687.

Adding to 12120063 its reverse (36002121), we get a palindrome (48122184).

The spelling of 12120063 in words is "twelve million, one hundred twenty thousand, sixty-three".