12002126011 has 4 divisors (see below), whose sum is σ = 12041221192. Its totient is φ = 11963030832.

The previous prime is 12002125999. The next prime is 12002126027. The reversal of 12002126011 is 11062120021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11062120021 = 163 ⋅67865767.

It is a cyclic number.

It is not a de Polignac number, because 12002126011 - 2¹⁹ = 12001601723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002126111) 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, 19547130 + ... + 19547743.

It is an arithmetic number, because the mean of its divisors is an integer number (3010305298).

Almost surely, 2^12002126011 is an apocalyptic number.

12002126011 is a deficient number, since it is larger than the sum of its proper divisors (39095181).

12002126011 is an equidigital number, since it uses as much as digits as its factorization.

12002126011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39095180.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12002126011 its reverse (11062120021), we get a palindrome (23064246032).

The spelling of 12002126011 in words is "twelve billion, two million, one hundred twenty-six thousand, eleven".