12036635465 has 8 divisors (see below), whose sum is σ = 14779868928. Its totient is φ = 9405370800.

The previous prime is 12036635447. The next prime is 12036635519. The reversal of 12036635465 is 56453663021.

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

It is not a de Polignac number, because 12036635465 - 2²⁰ = 12035586889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27991961 + ... + 27992390.

It is an arithmetic number, because the mean of its divisors is an integer number (1847483616).

Almost surely, 2^12036635465 is an apocalyptic number.

It is an amenable number.

12036635465 is a deficient number, since it is larger than the sum of its proper divisors (2743233463).

12036635465 is an equidigital number, since it uses as much as digits as its factorization.

12036635465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55984399.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 12036635465 in words is "twelve billion, thirty-six million, six hundred thirty-five thousand, four hundred sixty-five".