12200121122001 has 4 divisors (see below), whose sum is σ = 16266828162672. Its totient is φ = 8133414081332.

The previous prime is 12200121121933. The next prime is 12200121122069. The reversal of 12200121122001 is 10022112100221.

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 an interprime number because it is at equal distance from previous prime (12200121121933) and next prime (12200121122069).

It is a cyclic number.

It is not a de Polignac number, because 12200121122001 - 2⁷ = 12200121121873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12200121122801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033353520331 + ... + 2033353520336.

It is an arithmetic number, because the mean of its divisors is an integer number (4066707040668).

Almost surely, 2^{12200121122001} is an apocalyptic number.

It is an amenable number.

12200121122001 is a deficient number, since it is larger than the sum of its proper divisors (4066707040671).

12200121122001 is an equidigital number, since it uses as much as digits as its factorization.

12200121122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066707040670.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12200121122001 its reverse (10022112100221), we get a palindrome (22222233222222).

The spelling of 12200121122001 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, one hundred twenty-two thousand, one".