12204401137 has 2 divisors, whose sum is σ = 12204401138. Its totient is φ = 12204401136.

The previous prime is 12204401113. The next prime is 12204401159. The reversal of 12204401137 is 73110440221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12008653056 + 195748081 = 109584^2 + 13991^2 .

It is a cyclic number.

It is not a de Polignac number, because 12204401137 - 2⁷ = 12204401009 is a prime.

It is a super-2 number, since 2×12204401137² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12204405137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102200568 + 6102200569.

It is an arithmetic number, because the mean of its divisors is an integer number (6102200569).

Almost surely, 2^12204401137 is an apocalyptic number.

It is an amenable number.

12204401137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12204401137 is an equidigital number, since it uses as much as digits as its factorization.

12204401137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 12204401137 its reverse (73110440221), we get a palindrome (85314841358).

The spelling of 12204401137 in words is "twelve billion, two hundred four million, four hundred one thousand, one hundred thirty-seven".