212232122001 has 8 divisors (see below), whose sum is σ = 314417958560. Its totient is φ = 141488081316.

The previous prime is 212232121999. The next prime is 212232122021. The reversal of 212232122001 is 100221232212.

212232122001 is a `hidden beast` number, since 2 + 122 + 321 + 220 + 0 + 1 = 666.

It is not a de Polignac number, because 212232122001 - 2¹ = 212232121999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212232122021) 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, 3930224455 + ... + 3930224508.

It is an arithmetic number, because the mean of its divisors is an integer number (39302244820).

Almost surely, 2^212232122001 is an apocalyptic number.

It is an amenable number.

212232122001 is a deficient number, since it is larger than the sum of its proper divisors (102185836559).

212232122001 is an equidigital number, since it uses as much as digits as its factorization.

212232122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860448972 (or 7860448966 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212232122001 its reverse (100221232212), we get a palindrome (312453354213).

The spelling of 212232122001 in words is "two hundred twelve billion, two hundred thirty-two million, one hundred twenty-two thousand, one".