212012110211000 has 128 divisors (see below), whose sum is σ = 541281247752960. Its totient is φ = 77085034768000.

The previous prime is 212012110210933. The next prime is 212012110211063. The reversal of 212012110211000 is 112011210212.

It is a super-2 number, since 2×212012110211000² (a number of 29 digits) contains 22 as substring.

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, 81472007 + ... + 84033993.

It is an arithmetic number, because the mean of its divisors is an integer number (4228759748070).

Almost surely, 2^{212012110211000} is an apocalyptic number.

212012110211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212012110211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270640623876480).

212012110211000 is an abundant number, since it is smaller than the sum of its proper divisors (329269137541960).

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

212012110211000 is a wasteful number, since it uses less digits than its factorization.

212012110211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569542 (or 2569528 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212012110211000 its reverse (112011210212), we get a palindrome (212124121421212).

The spelling of 212012110211000 in words is "two hundred twelve trillion, twelve billion, one hundred ten million, two hundred eleven thousand".