212102220203 has 8 divisors (see below), whose sum is σ = 226722204576. Its totient is φ = 197932081600.

The previous prime is 212102220163. The next prime is 212102220223. The reversal of 212102220203 is 302022201212.

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 212102220203 - 2¹² = 212102216107 is a prime.

It is a super-2 number, since 2×212102220203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212102220223) 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, 112460468 + ... + 112462353.

It is an arithmetic number, because the mean of its divisors is an integer number (28340275572).

Almost surely, 2^212102220203 is an apocalyptic number.

212102220203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212102220203 is a deficient number, since it is larger than the sum of its proper divisors (14619984373).

212102220203 is a wasteful number, since it uses less digits than its factorization.

212102220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224922885.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212102220203 its reverse (302022201212), we get a palindrome (514124421415).

The spelling of 212102220203 in words is "two hundred twelve billion, one hundred two million, two hundred twenty thousand, two hundred three".