12290086550 has 48 divisors (see below), whose sum is σ = 26483147232. Its totient is φ = 4156012800.

The previous prime is 12290086519. The next prime is 12290086577. The reversal of 12290086550 is 5568009221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214961 + ... + 266060.

It is an arithmetic number, because the mean of its divisors is an integer number (551732234).

Almost surely, 2^12290086550 is an apocalyptic number.

12290086550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12290086550 is an abundant number, since it is smaller than the sum of its proper divisors (14193060682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12290086550 is a wasteful number, since it uses less digits than its factorization.

12290086550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481113 (or 481108 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 12290086550 in words is "twelve billion, two hundred ninety million, eighty-six thousand, five hundred fifty".