12200121233213 has 8 divisors (see below), whose sum is σ = 12917810191608. Its totient is φ = 11482436137984.

The previous prime is 12200121233173. The next prime is 12200121233231. The reversal of 12200121233213 is 31233212100221.

It can be written as a sum of positive squares in 4 ways, for example, as 165029312644 + 12035091920569 = 406238^2 + 3469163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12200121233213 - 2³⁶ = 12131401756477 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 (12200121238213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7819445 + ... + 9248997.

It is an arithmetic number, because the mean of its divisors is an integer number (1614726273951).

Almost surely, 2^{12200121233213} is an apocalyptic number.

It is an amenable number.

12200121233213 is a deficient number, since it is larger than the sum of its proper divisors (717688958395).

12200121233213 is a wasteful number, since it uses less digits than its factorization.

12200121233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931583.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12200121233213 its reverse (31233212100221), we get a palindrome (43433333333434).

The spelling of 12200121233213 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, two hundred thirty-three thousand, two hundred thirteen".