12101132011042 has 16 divisors (see below), whose sum is σ = 18176192069112. Its totient is φ = 6042402759040.

The previous prime is 12101132011019. The next prime is 12101132011081. The reversal of 12101132011042 is 24011023110121.

It can be written as a sum of positive squares in 4 ways, for example, as 4406560870761 + 7694571140281 = 2099181^2 + 2773909^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16754742 + ... + 17462062.

Almost surely, 2^{12101132011042} is an apocalyptic number.

12101132011042 is a deficient number, since it is larger than the sum of its proper divisors (6075060058070).

12101132011042 is a wasteful number, since it uses less digits than its factorization.

12101132011042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718853.

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

Adding to 12101132011042 its reverse (24011023110121), we get a palindrome (36112155121163).

The spelling of 12101132011042 in words is "twelve trillion, one hundred one billion, one hundred thirty-two million, eleven thousand, forty-two".