12260211011 has 4 divisors (see below), whose sum is σ = 12981399912. Its totient is φ = 11539022112.

The previous prime is 12260210999. The next prime is 12260211043. The reversal of 12260211011 is 11011206221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11011206221 = 17 ⋅647718013.

It is a cyclic number.

It is not a de Polignac number, because 12260211011 - 2⁶ = 12260210947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 721188883 = 12260211011 / (1 + 2 + 2 + 6 + 0 + 2 + 1 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12260211091) 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, 360594425 + ... + 360594458.

It is an arithmetic number, because the mean of its divisors is an integer number (3245349978).

Almost surely, 2^12260211011 is an apocalyptic number.

12260211011 is a deficient number, since it is larger than the sum of its proper divisors (721188901).

12260211011 is an equidigital number, since it uses as much as digits as its factorization.

12260211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721188900.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12260211011 its reverse (11011206221), we get a palindrome (23271417232).

The spelling of 12260211011 in words is "twelve billion, two hundred sixty million, two hundred eleven thousand, eleven".