12225559137 has 32 divisors (see below), whose sum is σ = 18147888000. Its totient is φ = 7258775040.

The previous prime is 12225559123. The next prime is 12225559169. The reversal of 12225559137 is 73195552221.

12225559137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12225559137 - 2⁴ = 12225559121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12225559117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301039 + ... + 339227.

It is an arithmetic number, because the mean of its divisors is an integer number (567121500).

Almost surely, 2^12225559137 is an apocalyptic number.

It is an amenable number.

12225559137 is a deficient number, since it is larger than the sum of its proper divisors (5922328863).

12225559137 is a wasteful number, since it uses less digits than its factorization.

12225559137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38401.

The product of its digits is 189000, while the sum is 42.

The spelling of 12225559137 in words is "twelve billion, two hundred twenty-five million, five hundred fifty-nine thousand, one hundred thirty-seven".