12271011 has 8 divisors (see below), whose sum is σ = 16379664. Its totient is φ = 8171520.

The previous prime is 12271003. The next prime is 12271019. The reversal of 12271011 is 11017221.

It is an interprime number because it is at equal distance from previous prime (12271003) and next prime (12271019).

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

It is not a de Polignac number, because 12271011 - 2³ = 12271003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12271019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1971 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (2047458).

Almost surely, 2^12271011 is an apocalyptic number.

12271011 is a deficient number, since it is larger than the sum of its proper divisors (4108653).

12271011 is a wasteful number, since it uses less digits than its factorization.

12271011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581.

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 12271011 is about 3503.0002854696. Note that the first 3 decimals coincide. The cubic root of 12271011 is about 230.6535350743.

Adding to 12271011 its reverse (11017221), we get a palindrome (23288232).

The spelling of 12271011 in words is "twelve million, two hundred seventy-one thousand, eleven".