12662344129 has 8 divisors (see below), whose sum is σ = 13161254400. Its totient is φ = 12171680496.

The previous prime is 12662344111. The next prime is 12662344133. The reversal of 12662344129 is 92144326621.

It is a happy number.

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 12662344129 - 2⁷ = 12662344001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12662344091 and 12662344100.

It is not an unprimeable number, because it can be changed into a prime (12662344229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2058529 + ... + 2064670.

It is an arithmetic number, because the mean of its divisors is an integer number (1645156800).

Almost surely, 2^12662344129 is an apocalyptic number.

It is an amenable number.

12662344129 is a deficient number, since it is larger than the sum of its proper divisors (498910271).

12662344129 is an equidigital number, since it uses as much as digits as its factorization.

12662344129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123319.

The product of its digits is 124416, while the sum is 40.

The spelling of 12662344129 in words is "twelve billion, six hundred sixty-two million, three hundred forty-four thousand, one hundred twenty-nine".