12102124011 has 4 divisors (see below), whose sum is σ = 16136165352. Its totient is φ = 8068082672.

The previous prime is 12102124003. The next prime is 12102124019. The reversal of 12102124011 is 11042120121.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12102124003) and next prime (12102124019).

It is a cyclic number.

It is not a de Polignac number, because 12102124011 - 2³ = 12102124003 is a prime.

It is a super-2 number, since 2×12102124011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102124019) 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, 2017020666 + ... + 2017020671.

It is an arithmetic number, because the mean of its divisors is an integer number (4034041338).

Almost surely, 2^12102124011 is an apocalyptic number.

12102124011 is a deficient number, since it is larger than the sum of its proper divisors (4034041341).

12102124011 is an equidigital number, since it uses as much as digits as its factorization.

12102124011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034041340.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12102124011 its reverse (11042120121), we get a palindrome (23144244132).

The spelling of 12102124011 in words is "twelve billion, one hundred two million, one hundred twenty-four thousand, eleven".