12136650466 has 4 divisors (see below), whose sum is σ = 18204975702. Its totient is φ = 6068325232.

The previous prime is 12136650397. The next prime is 12136650499. The reversal of 12136650466 is 66405663121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12050550625 + 86099841 = 109775^2 + 9279^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3034162615 + ... + 3034162618.

Almost surely, 2^12136650466 is an apocalyptic number.

12136650466 is a deficient number, since it is larger than the sum of its proper divisors (6068325236).

12136650466 is an equidigital number, since it uses as much as digits as its factorization.

12136650466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068325235.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 12136650466 in words is "twelve billion, one hundred thirty-six million, six hundred fifty thousand, four hundred sixty-six".