12101266 has 8 divisors (see below), whose sum is σ = 18941184. Its totient is φ = 5787540.

The previous prime is 12101237. The next prime is 12101269. The reversal of 12101266 is 66210121.

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

It is not an unprimeable number, because it can be changed into a prime (12101269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131490 + ... + 131581.

It is an arithmetic number, because the mean of its divisors is an integer number (2367648).

Almost surely, 2^12101266 is an apocalyptic number.

12101266 is a deficient number, since it is larger than the sum of its proper divisors (6839918).

12101266 is a wasteful number, since it uses less digits than its factorization.

12101266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263096.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12101266 is about 3478.6873961309. The cubic root of 12101266 is about 229.5850489239.

Adding to 12101266 its reverse (66210121), we get a palindrome (78311387).

The spelling of 12101266 in words is "twelve million, one hundred one thousand, two hundred sixty-six".