212332132112021 has 4 divisors (see below), whose sum is σ = 212385122416032. Its totient is φ = 212279141808012.

The previous prime is 212332132111999. The next prime is 212332132112041. The reversal of 212332132112021 is 120211231233212.

212332132112021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212332132112021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212332132112041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26495145995 + ... + 26495154008.

It is an arithmetic number, because the mean of its divisors is an integer number (53096280604008).

Almost surely, 2^{212332132112021} is an apocalyptic number.

It is an amenable number.

212332132112021 is a deficient number, since it is larger than the sum of its proper divisors (52990304011).

212332132112021 is an equidigital number, since it uses as much as digits as its factorization.

212332132112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52990304010.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 212332132112021 its reverse (120211231233212), we get a palindrome (332543363345233).

The spelling of 212332132112021 in words is "two hundred twelve trillion, three hundred thirty-two billion, one hundred thirty-two million, one hundred twelve thousand, twenty-one".