212102211000 has 128 divisors (see below), whose sum is σ = 675839324160. Its totient is φ = 55357136000.

The previous prime is 212102210939. The next prime is 212102211119. The reversal of 212102211000 is 112201212.

It is a super-2 number, since 2×212102211000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611136 + ... + 893135.

It is an arithmetic number, because the mean of its divisors is an integer number (5279994720).

Almost surely, 2^212102211000 is an apocalyptic number.

212102211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212102211000 is an abundant number, since it is smaller than the sum of its proper divisors (463737113160).

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

212102211000 is a wasteful number, since it uses less digits than its factorization.

212102211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504342 (or 1504328 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212102211000 its reverse (112201212), we get a palindrome (212214412212).

The spelling of 212102211000 in words is "two hundred twelve billion, one hundred two million, two hundred eleven thousand".