212210200128 has 28 divisors (see below), whose sum is σ = 561472821680. Its totient is φ = 70736733312.

The previous prime is 212210200123. The next prime is 212210200129. The reversal of 212210200128 is 821002012212.

It is a super-2 number, since 2×212210200128² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212210200121) 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 3 ways as a sum of consecutive naturals, for example, 552630538 + ... + 552630921.

Almost surely, 2^212210200128 is an apocalyptic number.

It is an amenable number.

212210200128 is an abundant number, since it is smaller than the sum of its proper divisors (349262621552).

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

212210200128 is a wasteful number, since it uses less digits than its factorization.

212210200128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105261474 (or 1105261464 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The spelling of 212210200128 in words is "two hundred twelve billion, two hundred ten million, two hundred thousand, one hundred twenty-eight".