12200121212131 has 2 divisors, whose sum is σ = 12200121212132. Its totient is φ = 12200121212130.

The previous prime is 12200121212101. The next prime is 12200121212143. The reversal of 12200121212131 is 13121212100221.

12200121212131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12200121212131 - 2¹¹ = 12200121210083 is a prime.

It is a super-2 number, since 2×12200121212131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12200121212099 and 12200121212108.

It is not a weakly prime, because it can be changed into another prime (12200121212101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100060606065 + 6100060606066.

It is an arithmetic number, because the mean of its divisors is an integer number (6100060606066).

Almost surely, 2^{12200121212131} is an apocalyptic number.

12200121212131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200121212131 is an equidigital number, since it uses as much as digits as its factorization.

12200121212131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12200121212131 its reverse (13121212100221), we get a palindrome (25321333312352).

The spelling of 12200121212131 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, two hundred twelve thousand, one hundred thirty-one".