12200230121213 has 4 divisors (see below), whose sum is σ = 12337311358620. Its totient is φ = 12063148883808.

The previous prime is 12200230121153. The next prime is 12200230121231. The reversal of 12200230121213 is 31212103200221.

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 1792979916484 + 10407250204729 = 1339022^2 + 3226027^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200230121213 - 2⁸ = 12200230120957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200230121813) 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, 68540618570 + ... + 68540618747.

It is an arithmetic number, because the mean of its divisors is an integer number (3084327839655).

Almost surely, 2^{12200230121213} is an apocalyptic number.

It is an amenable number.

12200230121213 is a deficient number, since it is larger than the sum of its proper divisors (137081237407).

12200230121213 is an equidigital number, since it uses as much as digits as its factorization.

12200230121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137081237406.

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

Adding to 12200230121213 its reverse (31212103200221), we get a palindrome (43412333321434).

The spelling of 12200230121213 in words is "twelve trillion, two hundred billion, two hundred thirty million, one hundred twenty-one thousand, two hundred thirteen".