23212130201 has 4 divisors (see below), whose sum is σ = 24997678692. Its totient is φ = 21426581712.

The previous prime is 23212130147. The next prime is 23212130231. The reversal of 23212130201 is 10203121232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11951736976 + 11260393225 = 109324^2 + 106115^2 .

It is a cyclic number.

It is not a de Polignac number, because 23212130201 - 2¹⁴ = 23212113817 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 23212130201.

It is not an unprimeable number, because it can be changed into a prime (23212130231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892774226 + ... + 892774251.

It is an arithmetic number, because the mean of its divisors is an integer number (6249419673).

Almost surely, 2^23212130201 is an apocalyptic number.

It is an amenable number.

23212130201 is a deficient number, since it is larger than the sum of its proper divisors (1785548491).

23212130201 is a wasteful number, since it uses less digits than its factorization.

23212130201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785548490.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23212130201 its reverse (10203121232), we get a palindrome (33415251433).

The spelling of 23212130201 in words is "twenty-three billion, two hundred twelve million, one hundred thirty thousand, two hundred one".