212203404244 has 24 divisors (see below), whose sum is σ = 402798949280. Its totient is φ = 97235424864.

The previous prime is 212203404233. The next prime is 212203404289. The reversal of 212203404244 is 442404302212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14672034 + ... + 14686489.

Almost surely, 2^212203404244 is an apocalyptic number.

It is an amenable number.

212203404244 is a deficient number, since it is larger than the sum of its proper divisors (190595545036).

212203404244 is a wasteful number, since it uses less digits than its factorization.

212203404244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29358679 (or 29358677 counting only the distinct ones).

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

Adding to 212203404244 its reverse (442404302212), we get a palindrome (654607706456).

The spelling of 212203404244 in words is "two hundred twelve billion, two hundred three million, four hundred four thousand, two hundred forty-four".