212232121332 has 96 divisors (see below), whose sum is σ = 623515705344. Its totient is φ = 54579408000.

The previous prime is 212232121271. The next prime is 212232121337. The reversal of 212232121332 is 233121232212.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212232121337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1043748 + ... + 1230395.

It is an arithmetic number, because the mean of its divisors is an integer number (6494955264).

Almost surely, 2^212232121332 is an apocalyptic number.

212232121332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212232121332 is an abundant number, since it is smaller than the sum of its proper divisors (411283584012).

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

212232121332 is a wasteful number, since it uses less digits than its factorization.

212232121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274269 (or 2274267 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 212232121332 its reverse (233121232212), we get a palindrome (445353353544).

The spelling of 212232121332 in words is "two hundred twelve billion, two hundred thirty-two million, one hundred twenty-one thousand, three hundred thirty-two".