12012054135632 has 10 divisors (see below), whose sum is σ = 23273354887818. Its totient is φ = 6006027067808.

The previous prime is 12012054135623. The next prime is 12012054135643. The reversal of 12012054135632 is 23653145021021.

It can be written as a sum of positive squares in only one way, i.e., 11563427454016 + 448626681616 = 3400504^2 + 669796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12012054135592 and 12012054135601.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 375376691723 + ... + 375376691754.

Almost surely, 2^{12012054135632} is an apocalyptic number.

It is an amenable number.

12012054135632 is a deficient number, since it is larger than the sum of its proper divisors (11261300752186).

12012054135632 is an equidigital number, since it uses as much as digits as its factorization.

12012054135632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750753383485 (or 750753383479 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 12012054135632 its reverse (23653145021021), we get a palindrome (35665199156653).

The spelling of 12012054135632 in words is "twelve trillion, twelve billion, fifty-four million, one hundred thirty-five thousand, six hundred thirty-two".