12200121213 has 16 divisors (see below), whose sum is σ = 19684229760. Its totient is φ = 6561409536.

The previous prime is 12200121191. The next prime is 12200121221. The reversal of 12200121213 is 31212100221.

It is not a de Polignac number, because 12200121213 - 2⁵ = 12200121181 is a prime.

It is a super-2 number, since 2×12200121213² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12200121192 and 12200121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200121223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17086648 + ... + 17087361.

It is an arithmetic number, because the mean of its divisors is an integer number (1230264360).

Almost surely, 2^12200121213 is an apocalyptic number.

It is an amenable number.

12200121213 is a deficient number, since it is larger than the sum of its proper divisors (7484108547).

12200121213 is a wasteful number, since it uses less digits than its factorization.

12200121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34174036.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12200121213 its reverse (31212100221), we get a palindrome (43412221434).

The spelling of 12200121213 in words is "twelve billion, two hundred million, one hundred twenty-one thousand, two hundred thirteen".