212013331332 has 144 divisors (see below), whose sum is σ = 561566031936. Its totient is φ = 62161862400.

The previous prime is 212013331273. The next prime is 212013331333. The reversal of 212013331332 is 233133310212.

It is not an unprimeable number, because it can be changed into a prime (212013331333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9713143 + ... + 9734945.

Almost surely, 2^212013331332 is an apocalyptic number.

212013331332 is a gapful number since it is divisible by the number (22) 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 212013331332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280783015968).

212013331332 is an abundant number, since it is smaller than the sum of its proper divisors (349552700604).

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

212013331332 is a wasteful number, since it uses less digits than its factorization.

212013331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22050 (or 22037 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 212013331332 its reverse (233133310212), we get a palindrome (445146641544).

It can be divided in two parts, 212013 and 331332, that added together give a palindrome (543345).

The spelling of 212013331332 in words is "two hundred twelve billion, thirteen million, three hundred thirty-one thousand, three hundred thirty-two".