212033343121 has 4 divisors (see below), whose sum is σ = 215198019952. Its totient is φ = 208868666292.

The previous prime is 212033343113. The next prime is 212033343133. The reversal of 212033343121 is 121343330212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212033343121 - 2³ = 212033343113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212033343101) 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 3 ways as a sum of consecutive naturals, for example, 1582338315 + ... + 1582338448.

It is an arithmetic number, because the mean of its divisors is an integer number (53799504988).

Almost surely, 2^212033343121 is an apocalyptic number.

It is an amenable number.

212033343121 is a deficient number, since it is larger than the sum of its proper divisors (3164676831).

212033343121 is an equidigital number, since it uses as much as digits as its factorization.

212033343121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164676830.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 212033343121 its reverse (121343330212), we get a palindrome (333376673333).

The spelling of 212033343121 in words is "two hundred twelve billion, thirty-three million, three hundred forty-three thousand, one hundred twenty-one".