12136463465 has 16 divisors (see below), whose sum is σ = 17520309120. Its totient is φ = 7884138240.

The previous prime is 12136463447. The next prime is 12136463467. The reversal of 12136463465 is 56436463121.

It is not a de Polignac number, because 12136463465 - 2¹⁰ = 12136462441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12136463467) 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, 9124496 + ... + 9125825.

It is an arithmetic number, because the mean of its divisors is an integer number (1095019320).

Almost surely, 2^12136463465 is an apocalyptic number.

It is an amenable number.

12136463465 is a deficient number, since it is larger than the sum of its proper divisors (5383845655).

12136463465 is a wasteful number, since it uses less digits than its factorization.

12136463465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18250352.

The product of its digits is 311040, while the sum is 41.

The spelling of 12136463465 in words is "twelve billion, one hundred thirty-six million, four hundred sixty-three thousand, four hundred sixty-five".