212032222243421 has 8 divisors (see below), whose sum is σ = 218460165386040. Its totient is φ = 205694180403712.

The previous prime is 212032222243367. The next prime is 212032222243489. The reversal of 212032222243421 is 124342222230212.

212032222243421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 96450619225 + 211935771624196 = 310565^2 + 14558014^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212032222243421 - 2¹⁸ = 212032221981277 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 (212032222243321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22475320940 + ... + 22475330373.

It is an arithmetic number, because the mean of its divisors is an integer number (27307520673255).

Almost surely, 2^{212032222243421} is an apocalyptic number.

It is an amenable number.

212032222243421 is a deficient number, since it is larger than the sum of its proper divisors (6427943142619).

212032222243421 is an equidigital number, since it uses as much as digits as its factorization.

212032222243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44950651455.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 212032222243421 its reverse (124342222230212), we get a palindrome (336374444473633).

The spelling of 212032222243421 in words is "two hundred twelve trillion, thirty-two billion, two hundred twenty-two million, two hundred forty-three thousand, four hundred twenty-one".