12250065505 has 8 divisors (see below), whose sum is σ = 14701449600. Its totient is φ = 9799138416.

The previous prime is 12250065473. The next prime is 12250065539. The reversal of 12250065505 is 50556005221.

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 12250065505 - 2⁵ = 12250065473 is a prime.

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, 52215 + ... + 165004.

It is an arithmetic number, because the mean of its divisors is an integer number (1837681200).

Almost surely, 2^12250065505 is an apocalyptic number.

It is an amenable number.

12250065505 is a deficient number, since it is larger than the sum of its proper divisors (2451384095).

12250065505 is a wasteful number, since it uses less digits than its factorization.

12250065505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228503.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 12250065505 in words is "twelve billion, two hundred fifty million, sixty-five thousand, five hundred five".