12216724700 has 18 divisors (see below), whose sum is σ = 26510292816. Its totient is φ = 4886689840.

The previous prime is 12216724691. The next prime is 12216724721. The reversal of 12216724700 is 742761221.

12216724700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5 ways as a sum of consecutive naturals, for example, 61083524 + ... + 61083723.

Almost surely, 2^12216724700 is an apocalyptic number.

12216724700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12216724700 is an abundant number, since it is smaller than the sum of its proper divisors (14293568116).

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

12216724700 is a wasteful number, since it uses less digits than its factorization.

12216724700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122167261 (or 122167254 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 12216724700 in words is "twelve billion, two hundred sixteen million, seven hundred twenty-four thousand, seven hundred".