212214232121 has 8 divisors (see below), whose sum is σ = 224402777088. Its totient is φ = 200359620000.

The previous prime is 212214232117. The next prime is 212214232157. The reversal of 212214232121 is 121232412212.

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

It is not a de Polignac number, because 212214232121 - 2² = 212214232117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212214232171) 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, 83481905 + ... + 83484446.

It is an arithmetic number, because the mean of its divisors is an integer number (28050347136).

Almost surely, 2^212214232121 is an apocalyptic number.

It is an amenable number.

212214232121 is a deficient number, since it is larger than the sum of its proper divisors (12188544967).

212214232121 is a wasteful number, since it uses less digits than its factorization.

212214232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166966423.

The product of its digits is 768, while the sum is 23.

Adding to 212214232121 its reverse (121232412212), we get a palindrome (333446644333).

The spelling of 212214232121 in words is "two hundred twelve billion, two hundred fourteen million, two hundred thirty-two thousand, one hundred twenty-one".