200212423440400 has 120 divisors (see below), whose sum is σ = 550142896279680. Its totient is φ = 68592215546880.

The previous prime is 200212423440397. The next prime is 200212423440409. The reversal of 200212423440400 is 4044324212002.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (200212423440409) 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, 23412349 + ... + 30798748.

It is an arithmetic number, because the mean of its divisors is an integer number (4584524135664).

Almost surely, 2^{200212423440400} is an apocalyptic number.

200212423440400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200212423440400 is an abundant number, since it is smaller than the sum of its proper divisors (349930472839280).

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

200212423440400 is a wasteful number, since it uses less digits than its factorization.

200212423440400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54212441 (or 54212430 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 200212423440400 its reverse (4044324212002), we get a palindrome (204256747652402).

The spelling of 200212423440400 in words is "two hundred trillion, two hundred twelve billion, four hundred twenty-three million, four hundred forty thousand, four hundred".