12641504258 has 8 divisors (see below), whose sum is σ = 18962817552. Its totient is φ = 6320565076.

The previous prime is 12641504233. The next prime is 12641504273. The reversal of 12641504258 is 85240514621.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17141 + ... + 159927.

It is an arithmetic number, because the mean of its divisors is an integer number (2370352194).

Almost surely, 2^12641504258 is an apocalyptic number.

12641504258 is a deficient number, since it is larger than the sum of its proper divisors (6321313294).

12641504258 is a wasteful number, since it uses less digits than its factorization.

12641504258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187056.

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 12641504258 in words is "twelve billion, six hundred forty-one million, five hundred four thousand, two hundred fifty-eight".