12120469 has 2 divisors, whose sum is σ = 12120470. Its totient is φ = 12120468.

The previous prime is 12120443. The next prime is 12120487. The reversal of 12120469 is 96402121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12006225 + 114244 = 3465^2 + 338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120469 is a prime.

It is a super-2 number, since 2×12120469² = 293811537559922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120419) 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 as a sum of consecutive naturals, namely, 6060234 + 6060235.

It is an arithmetic number, because the mean of its divisors is an integer number (6060235).

Almost surely, 2^12120469 is an apocalyptic number.

It is an amenable number.

12120469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120469 is an equidigital number, since it uses as much as digits as its factorization.

12120469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12120469 is about 3481.4463948193. The cubic root of 12120469 is about 229.7064244268.

The spelling of 12120469 in words is "twelve million, one hundred twenty thousand, four hundred sixty-nine".