12210123032201 has 4 divisors (see below), whose sum is σ = 12336000589332. Its totient is φ = 12084245475072.

The previous prime is 12210123032197. The next prime is 12210123032267. The reversal of 12210123032201 is 10223032101221.

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 1829973145225 + 10380149886976 = 1352765^2 + 3221824^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210123032201 - 2² = 12210123032197 is a prime.

It is a super-2 number, since 2×12210123032201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210123032101) 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, 62938778420 + ... + 62938778613.

It is an arithmetic number, because the mean of its divisors is an integer number (3084000147333).

Almost surely, 2^{12210123032201} is an apocalyptic number.

It is an amenable number.

12210123032201 is a deficient number, since it is larger than the sum of its proper divisors (125877557131).

12210123032201 is an equidigital number, since it uses as much as digits as its factorization.

12210123032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125877557130.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12210123032201 its reverse (10223032101221), we get a palindrome (22433155133422).

The spelling of 12210123032201 in words is "twelve trillion, two hundred ten billion, one hundred twenty-three million, thirty-two thousand, two hundred one".