12056435787 has 8 divisors (see below), whose sum is σ = 17536633920. Its totient is φ = 7306930760.

The previous prime is 12056435779. The next prime is 12056435821. The reversal of 12056435787 is 78753465021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12056435787 - 2³ = 12056435779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12056435737) 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 7 ways as a sum of consecutive naturals, for example, 182673237 + ... + 182673302.

It is an arithmetic number, because the mean of its divisors is an integer number (2192079240).

Almost surely, 2^12056435787 is an apocalyptic number.

12056435787 is a deficient number, since it is larger than the sum of its proper divisors (5480198133).

12056435787 is a wasteful number, since it uses less digits than its factorization.

12056435787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365346553.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 12056435787 in words is "twelve billion, fifty-six million, four hundred thirty-five thousand, seven hundred eighty-seven".