212143332322400 has 72 divisors (see below), whose sum is σ = 518069349955080. Its totient is φ = 84828750863360.

The previous prime is 212143332322381. The next prime is 212143332322421. The reversal of 212143332322400 is 4223233341212.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42282794 + ... + 47033193.

It is an arithmetic number, because the mean of its divisors is an integer number (7195407638265).

Almost surely, 2^{212143332322400} is an apocalyptic number.

212143332322400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212143332322400 is an abundant number, since it is smaller than the sum of its proper divisors (305926017632680).

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

212143332322400 is a wasteful number, since it uses less digits than its factorization.

212143332322400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89318976 (or 89318963 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 212143332322400 its reverse (4223233341212), we get a palindrome (216366565663612).

The spelling of 212143332322400 in words is "two hundred twelve trillion, one hundred forty-three billion, three hundred thirty-two million, three hundred twenty-two thousand, four hundred".