212212232321 has 8 divisors (see below), whose sum is σ = 223439200320. Its totient is φ = 200991054672.

The previous prime is 212212232291. The next prime is 212212232327. The reversal of 212212232321 is 123232212212.

It is a happy number.

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 212212232321 - 2¹⁴ = 212212215937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212212232327) 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, 1372250 + ... + 1519043.

It is an arithmetic number, because the mean of its divisors is an integer number (27929900040).

Almost surely, 2^212212232321 is an apocalyptic number.

It is an amenable number.

212212232321 is a deficient number, since it is larger than the sum of its proper divisors (11226967999).

212212232321 is a wasteful number, since it uses less digits than its factorization.

212212232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895175.

The product of its digits is 1152, while the sum is 23.

Adding to 212212232321 its reverse (123232212212), we get a palindrome (335444444533).

The spelling of 212212232321 in words is "two hundred twelve billion, two hundred twelve million, two hundred thirty-two thousand, three hundred twenty-one".