12124223011 has 4 divisors (see below), whose sum is σ = 12451904752. Its totient is φ = 11796541272.

The previous prime is 12124222949. The next prime is 12124223077. The reversal of 12124223011 is 11032242121.

12124223011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11032242121 = 163 ⋅67682467.

It is a cyclic number.

It is not a de Polignac number, because 12124223011 - 2⁹ = 12124222499 is a prime.

It is a super-2 number, since 2×12124223011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12124223011.

It is not an unprimeable number, because it can be changed into a prime (12124523011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163840815 + ... + 163840888.

It is an arithmetic number, because the mean of its divisors is an integer number (3112976188).

Almost surely, 2^12124223011 is an apocalyptic number.

12124223011 is a deficient number, since it is larger than the sum of its proper divisors (327681741).

12124223011 is an equidigital number, since it uses as much as digits as its factorization.

12124223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327681740.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12124223011 its reverse (11032242121), we get a palindrome (23156465132).

The spelling of 12124223011 in words is "twelve billion, one hundred twenty-four million, two hundred twenty-three thousand, eleven".