212030111232 has 120 divisors (see below), whose sum is σ = 617993358840. Its totient is φ = 69976780800.

The previous prime is 212030111213. The next prime is 212030111233. The reversal of 212030111232 is 232111030212.

212030111232 is a `hidden beast` number, since 2 + 120 + 301 + 11 + 232 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212030111233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237619 + ... + 693197.

It is an arithmetic number, because the mean of its divisors is an integer number (5149944657).

Almost surely, 2^212030111232 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 212030111232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308996679420).

212030111232 is an abundant number, since it is smaller than the sum of its proper divisors (405963247608).

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

212030111232 is a wasteful number, since it uses less digits than its factorization.

212030111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455704 (or 455685 counting only the distinct ones).

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

Adding to 212030111232 its reverse (232111030212), we get a palindrome (444141141444).

The spelling of 212030111232 in words is "two hundred twelve billion, thirty million, one hundred eleven thousand, two hundred thirty-two".