231212232200201 has 4 divisors (see below), whose sum is σ = 264242551085952. Its totient is φ = 198181913314452.

The previous prime is 231212232200177. The next prime is 231212232200221. The reversal of 231212232200201 is 102002232212132.

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 231212232200201 - 2¹⁰ = 231212232199177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231212232200221) 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, 16515159442865 + ... + 16515159442878.

It is an arithmetic number, because the mean of its divisors is an integer number (66060637771488).

Almost surely, 2^{231212232200201} is an apocalyptic number.

It is an amenable number.

231212232200201 is a deficient number, since it is larger than the sum of its proper divisors (33030318885751).

231212232200201 is an equidigital number, since it uses as much as digits as its factorization.

231212232200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33030318885750.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 231212232200201 its reverse (102002232212132), we get a palindrome (333214464412333).

The spelling of 231212232200201 in words is "two hundred thirty-one trillion, two hundred twelve billion, two hundred thirty-two million, two hundred thousand, two hundred one".