12201563137 has 2 divisors, whose sum is σ = 12201563138. Its totient is φ = 12201563136.

The previous prime is 12201563053. The next prime is 12201563159. The reversal of 12201563137 is 73136510221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6101328321 + 6100234816 = 78111^2 + 78104^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201563137 - 2⁷ = 12201563009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12201563099 and 12201563108.

It is not a weakly prime, because it can be changed into another prime (12201503137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100781568 + 6100781569.

It is an arithmetic number, because the mean of its divisors is an integer number (6100781569).

Almost surely, 2^12201563137 is an apocalyptic number.

It is an amenable number.

12201563137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201563137 is an equidigital number, since it uses as much as digits as its factorization.

12201563137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 12201563137 in words is "twelve billion, two hundred one million, five hundred sixty-three thousand, one hundred thirty-seven".