212242452321 has 8 divisors (see below), whose sum is σ = 283000932544. Its totient is φ = 141489470160.

The previous prime is 212242452313. The next prime is 212242452371. The reversal of 212242452321 is 123254242212.

212242452321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 212242452321 - 2³ = 212242452313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212242452311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283581 + ... + 1439466.

It is an arithmetic number, because the mean of its divisors is an integer number (35375116568).

Almost surely, 2^212242452321 is an apocalyptic number.

It is an amenable number.

212242452321 is a deficient number, since it is larger than the sum of its proper divisors (70758480223).

212242452321 is a wasteful number, since it uses less digits than its factorization.

212242452321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749031.

The product of its digits is 15360, while the sum is 30.

Adding to 212242452321 its reverse (123254242212), we get a palindrome (335496694533).

The spelling of 212242452321 in words is "two hundred twelve billion, two hundred forty-two million, four hundred fifty-two thousand, three hundred twenty-one".