12103132011111 has 12 divisors (see below), whose sum is σ = 17495864496240. Its totient is φ = 8062494965280.

The previous prime is 12103132010969. The next prime is 12103132011143. The reversal of 12103132011111 is 11111023130121.

12103132011111 is a `hidden beast` number, since 1 + 210 + 313 + 20 + 11 + 111 = 666.

It is not a de Polignac number, because 12103132011111 - 2¹⁰ = 12103132010087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103132011151) 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 11 ways as a sum of consecutive naturals, for example, 521630155 + ... + 521653356.

It is an arithmetic number, because the mean of its divisors is an integer number (1457988708020).

Almost surely, 2^{12103132011111} is an apocalyptic number.

12103132011111 is a deficient number, since it is larger than the sum of its proper divisors (5392732485129).

12103132011111 is a wasteful number, since it uses less digits than its factorization.

12103132011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043284806 (or 1043284803 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 12103132011111 its reverse (11111023130121), we get a palindrome (23214155141232).

The spelling of 12103132011111 in words is "twelve trillion, one hundred three billion, one hundred thirty-two million, eleven thousand, one hundred eleven".