12200121907 has 2 divisors, whose sum is σ = 12200121908. Its totient is φ = 12200121906.

The previous prime is 12200121841. The next prime is 12200121929. The reversal of 12200121907 is 70912100221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12200121907 - 2⁷ = 12200121779 is a prime.

It is a super-2 number, since 2×12200121907² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12200121607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100060953 + 6100060954.

It is an arithmetic number, because the mean of its divisors is an integer number (6100060954).

Almost surely, 2^12200121907 is an apocalyptic number.

12200121907 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200121907 is an equidigital number, since it uses as much as digits as its factorization.

12200121907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 12200121907 in words is "twelve billion, two hundred million, one hundred twenty-one thousand, nine hundred seven".