12047154635 has 16 divisors (see below), whose sum is σ = 15339800736. Its totient is φ = 9051345408.

The previous prime is 12047154629. The next prime is 12047154643. The reversal of 12047154635 is 53645174021.

It is a cyclic number.

It is not a de Polignac number, because 12047154635 - 2⁶ = 12047154571 is a prime.

It is a Duffinian 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 in 15 ways as a sum of consecutive naturals, for example, 112052 + ... + 191441.

It is an arithmetic number, because the mean of its divisors is an integer number (958737546).

Almost surely, 2^12047154635 is an apocalyptic number.

12047154635 is a deficient number, since it is larger than the sum of its proper divisors (3292646101).

12047154635 is a wasteful number, since it uses less digits than its factorization.

12047154635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303982.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 12047154635 in words is "twelve billion, forty-seven million, one hundred fifty-four thousand, six hundred thirty-five".