12031242004535 has 16 divisors (see below), whose sum is σ = 15573266102016. Its totient is φ = 8870209759488.

The previous prime is 12031242004471. The next prime is 12031242004547. The reversal of 12031242004535 is 53540024213021.

It is a cyclic number.

It is not a de Polignac number, because 12031242004535 - 2⁶ = 12031242004471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149956679 + ... + 150036888.

It is an arithmetic number, because the mean of its divisors is an integer number (973329131376).

Almost surely, 2^{12031242004535} is an apocalyptic number.

12031242004535 is a deficient number, since it is larger than the sum of its proper divisors (3542024097481).

12031242004535 is a wasteful number, since it uses less digits than its factorization.

12031242004535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299994202.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 12031242004535 its reverse (53540024213021), we get a palindrome (65571266217556).

The spelling of 12031242004535 in words is "twelve trillion, thirty-one billion, two hundred forty-two million, four thousand, five hundred thirty-five".