12213471700 has 72 divisors (see below), whose sum is σ = 28491926400. Its totient is φ = 4529756160.

The previous prime is 12213471689. The next prime is 12213471709. The reversal of 12213471700 is 717431221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213471709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20916 + ... + 157684.

It is an arithmetic number, because the mean of its divisors is an integer number (395721200).

Almost surely, 2^12213471700 is an apocalyptic number.

12213471700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12213471700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14245963200).

12213471700 is an abundant number, since it is smaller than the sum of its proper divisors (16278454700).

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

12213471700 is a wasteful number, since it uses less digits than its factorization.

12213471700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136849 (or 136842 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 12213471700 in words is "twelve billion, two hundred thirteen million, four hundred seventy-one thousand, seven hundred".