12347471100 has 144 divisors (see below), whose sum is σ = 37676199680. Its totient is φ = 3113510400.

The previous prime is 12347471083. The next prime is 12347471107. The reversal of 12347471100 is 117474321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12347471107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3594984 + ... + 3598416.

Almost surely, 2^12347471100 is an apocalyptic number.

12347471100 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 12347471100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18838099840).

12347471100 is an abundant number, since it is smaller than the sum of its proper divisors (25328728580).

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

12347471100 is a wasteful number, since it uses less digits than its factorization.

12347471100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100 (or 4093 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The spelling of 12347471100 in words is "twelve billion, three hundred forty-seven million, four hundred seventy-one thousand, one hundred".