212204202443403 has 16 divisors (see below), whose sum is σ = 292066711627776. Its totient is φ = 136905603045120.

The previous prime is 212204202443381. The next prime is 212204202443411. The reversal of 212204202443403 is 304344202402212.

It is a happy number.

It is not a de Polignac number, because 212204202443403 - 2⁵ = 212204202443371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212204202447403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38874250 + ... + 43995632.

It is an arithmetic number, because the mean of its divisors is an integer number (18254169476736).

Almost surely, 2^{212204202443403} is an apocalyptic number.

212204202443403 is a deficient number, since it is larger than the sum of its proper divisors (79862509184373).

212204202443403 is a wasteful number, since it uses less digits than its factorization.

212204202443403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5566954.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 212204202443403 its reverse (304344202402212), we get a palindrome (516548404845615).

The spelling of 212204202443403 in words is "two hundred twelve trillion, two hundred four billion, two hundred two million, four hundred forty-three thousand, four hundred three".