212000400403 has 8 divisors (see below), whose sum is σ = 231371732160. Its totient is φ = 192645496680.

The previous prime is 212000400401. The next prime is 212000400457. The reversal of 212000400403 is 304004000212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212000400403 - 2¹ = 212000400401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212000400401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4080013 + ... + 4131646.

It is an arithmetic number, because the mean of its divisors is an integer number (28921466520).

Almost surely, 2^212000400403 is an apocalyptic number.

212000400403 is a deficient number, since it is larger than the sum of its proper divisors (19371331757).

212000400403 is a wasteful number, since it uses less digits than its factorization.

212000400403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8214017.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 212000400403 its reverse (304004000212), we get a palindrome (516004400615).

The spelling of 212000400403 in words is "two hundred twelve billion, four hundred thousand, four hundred three".