212213033121 has 8 divisors (see below), whose sum is σ = 283019857600. Its totient is φ = 141440782032.

The previous prime is 212213033107. The next prime is 212213033173. The reversal of 212213033121 is 121330312212.

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

It is not a de Polignac number, because 212213033121 - 2¹¹ = 212213031073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212213033321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8629021 + ... + 8653578.

It is an arithmetic number, because the mean of its divisors is an integer number (35377482200).

Almost surely, 2^212213033121 is an apocalyptic number.

It is an amenable number.

212213033121 is a deficient number, since it is larger than the sum of its proper divisors (70806824479).

212213033121 is a wasteful number, since it uses less digits than its factorization.

212213033121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17286695.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212213033121 its reverse (121330312212), we get a palindrome (333543345333).

The spelling of 212213033121 in words is "two hundred twelve billion, two hundred thirteen million, thirty-three thousand, one hundred twenty-one".