12221009974 has 8 divisors (see below), whose sum is σ = 18778625208. Its totient is φ = 5961468240.

The previous prime is 12221009951. The next prime is 12221009981. The reversal of 12221009974 is 47990012221.

12221009974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74518272 + ... + 74518435.

It is an arithmetic number, because the mean of its divisors is an integer number (2347328151).

Almost surely, 2^12221009974 is an apocalyptic number.

12221009974 is a deficient number, since it is larger than the sum of its proper divisors (6557615234).

12221009974 is a wasteful number, since it uses less digits than its factorization.

12221009974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149036750.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 12221009974 in words is "twelve billion, two hundred twenty-one million, nine thousand, nine hundred seventy-four".