212123322001 has 8 divisors (see below), whose sum is σ = 217889167104. Its totient is φ = 206385672480.

The previous prime is 212123321989. The next prime is 212123322029. The reversal of 212123322001 is 100223321212.

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 212123322001 - 2³¹ = 209975838353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212123322001.

It is not an unprimeable number, because it can be changed into a prime (212123322031) 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, 7033645 + ... + 7063738.

It is an arithmetic number, because the mean of its divisors is an integer number (27236145888).

Almost surely, 2^212123322001 is an apocalyptic number.

It is an amenable number.

212123322001 is a deficient number, since it is larger than the sum of its proper divisors (5765845103).

212123322001 is a wasteful number, since it uses less digits than its factorization.

212123322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14097791.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212123322001 its reverse (100223321212), we get a palindrome (312346643213).

The spelling of 212123322001 in words is "two hundred twelve billion, one hundred twenty-three million, three hundred twenty-two thousand, one".