23212212001 has 4 divisors (see below), whose sum is σ = 25322413104. Its totient is φ = 21102010900.

The previous prime is 23212211999. The next prime is 23212212013. The reversal of 23212212001 is 10021221232.

It is a happy number.

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 23212212001 - 2¹ = 23212211999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23212212031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055100535 + ... + 1055100556.

It is an arithmetic number, because the mean of its divisors is an integer number (6330603276).

Almost surely, 2^23212212001 is an apocalyptic number.

It is an amenable number.

23212212001 is a deficient number, since it is larger than the sum of its proper divisors (2110201103).

23212212001 is a wasteful number, since it uses less digits than its factorization.

23212212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110201102.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 23212212001 its reverse (10021221232), we get a palindrome (33233433233).

The spelling of 23212212001 in words is "twenty-three billion, two hundred twelve million, two hundred twelve thousand, one".