12007543135 has 16 divisors (see below), whose sum is σ = 16652520000. Its totient is φ = 8141227776.

The previous prime is 12007543133. The next prime is 12007543147. The reversal of 12007543135 is 53134570021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12007543135 - 2¹ = 12007543133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12007543097 and 12007543106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12007543133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1924260 + ... + 1930489.

It is an arithmetic number, because the mean of its divisors is an integer number (1040782500).

Almost surely, 2^12007543135 is an apocalyptic number.

12007543135 is a deficient number, since it is larger than the sum of its proper divisors (4644976865).

12007543135 is an equidigital number, since it uses as much as digits as its factorization.

12007543135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854850.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 12007543135 in words is "twelve billion, seven million, five hundred forty-three thousand, one hundred thirty-five".