12104021132011 has 16 divisors (see below), whose sum is σ = 12546887786496. Its totient is φ = 11664450000000.

The previous prime is 12104021132009. The next prime is 12104021132039. The reversal of 12104021132011 is 11023112040121.

It is a cyclic number.

It is not a de Polignac number, because 12104021132011 - 2¹ = 12104021132009 is a prime.

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 12104021132011.

It is not an unprimeable number, because it can be changed into a prime (12104021132311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37429011 + ... + 37751011.

It is an arithmetic number, because the mean of its divisors is an integer number (784180486656).

Almost surely, 2^{12104021132011} is an apocalyptic number.

12104021132011 is a deficient number, since it is larger than the sum of its proper divisors (442866654485).

12104021132011 is a wasteful number, since it uses less digits than its factorization.

12104021132011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327114.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12104021132011 its reverse (11023112040121), we get a palindrome (23127133172132).

The spelling of 12104021132011 in words is "twelve trillion, one hundred four billion, twenty-one million, one hundred thirty-two thousand, eleven".