12040445021211 has 16 divisors (see below), whose sum is σ = 17837876891520. Its totient is φ = 8026882093800.

The previous prime is 12040445021197. The next prime is 12040445021219. The reversal of 12040445021211 is 11212054404021.

12040445021211 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 0 + 445 + 0 + 2 + 1 + 211 = 666.

It is not a de Polignac number, because 12040445021211 - 2²⁵ = 12040411466779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12040445021219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521856 + ... + 4934898.

It is an arithmetic number, because the mean of its divisors is an integer number (1114867305720).

Almost surely, 2^{12040445021211} is an apocalyptic number.

12040445021211 is a deficient number, since it is larger than the sum of its proper divisors (5797431870309).

12040445021211 is a wasteful number, since it uses less digits than its factorization.

12040445021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514103 (or 4514097 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 12040445021211 its reverse (11212054404021), we get a palindrome (23252499425232).

The spelling of 12040445021211 in words is "twelve trillion, forty billion, four hundred forty-five million, twenty-one thousand, two hundred eleven".