12221850747 has 8 divisors (see below), whose sum is σ = 16304856400. Its totient is φ = 8143372800.

The previous prime is 12221850733. The next prime is 12221850769. The reversal of 12221850747 is 74705812221.

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

It is not a de Polignac number, because 12221850747 - 2¹¹ = 12221848699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221850727) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1125622 + ... + 1136427.

It is an arithmetic number, because the mean of its divisors is an integer number (2038107050).

Almost surely, 2^12221850747 is an apocalyptic number.

12221850747 is a deficient number, since it is larger than the sum of its proper divisors (4083005653).

12221850747 is a wasteful number, since it uses less digits than its factorization.

12221850747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263853.

The product of its (nonzero) digits is 62720, while the sum is 39.

The spelling of 12221850747 in words is "twelve billion, two hundred twenty-one million, eight hundred fifty thousand, seven hundred forty-seven".