212447307600 has 960 divisors, whose sum is σ = 848902809600. Its totient is φ = 50029056000.

The previous prime is 212447307533. The next prime is 212447307601. The reversal of 212447307600 is 6703744212.

212447307600 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 47 + 3 + 0 + 7 + 600 = 666.

212447307600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212447307601) 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 191 ways as a sum of consecutive naturals, for example, 750697059 + ... + 750697341.

It is an arithmetic number, because the mean of its divisors is an integer number (884273760).

Almost surely, 2^212447307600 is an apocalyptic number.

212447307600 is a gapful number since it is divisible by the number (20) 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 212447307600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424451404800).

212447307600 is an abundant number, since it is smaller than the sum of its proper divisors (636455502000).

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

212447307600 is a wasteful number, since it uses less digits than its factorization.

212447307600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 212447307600 in words is "two hundred twelve billion, four hundred forty-seven million, three hundred seven thousand, six hundred".