213112300212 has 120 divisors (see below), whose sum is σ = 641567129280. Its totient is φ = 60424341120.

The previous prime is 213112300183. The next prime is 213112300243. The reversal of 213112300212 is 212003211312.

213112300212 is a `hidden beast` number, since 213 + 11 + 230 + 0 + 212 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61537 + ... + 655752.

It is an arithmetic number, because the mean of its divisors is an integer number (5346392744).

Almost surely, 2^213112300212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213112300212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320783564640).

213112300212 is an abundant number, since it is smaller than the sum of its proper divisors (428454829068).

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

213112300212 is a wasteful number, since it uses less digits than its factorization.

213112300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717443 (or 717432 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213112300212 its reverse (212003211312), we get a palindrome (425115511524).

The spelling of 213112300212 in words is "two hundred thirteen billion, one hundred twelve million, three hundred thousand, two hundred twelve".