212000101128 has 96 divisors (see below), whose sum is σ = 608036738400. Its totient is φ = 66499413504.

The previous prime is 212000101003. The next prime is 212000101129. The reversal of 212000101128 is 821101000212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 212000101128.

It is not an unprimeable number, because it can be changed into a prime (212000101129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12548575 + ... + 12565457.

It is an arithmetic number, because the mean of its divisors is an integer number (6333716025).

Almost surely, 2^212000101128 is an apocalyptic number.

It is an amenable number.

212000101128 is an abundant number, since it is smaller than the sum of its proper divisors (396036637272).

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

212000101128 is a wasteful number, since it uses less digits than its factorization.

212000101128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27171 (or 27164 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The spelling of 212000101128 in words is "two hundred twelve billion, one hundred one thousand, one hundred twenty-eight".