12550422131 has 16 divisors (see below), whose sum is σ = 13676040000. Its totient is φ = 11447851008.

The previous prime is 12550422113. The next prime is 12550422149. The reversal of 12550422131 is 13122405521.

12550422131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12550422113) and next prime (12550422149).

It is a cyclic number.

It is not a de Polignac number, because 12550422131 - 2¹⁸ = 12550159987 is a prime.

It is a super-2 number, since 2×12550422131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12550422131.

It is not an unprimeable number, because it can be changed into a prime (12550422931) 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 15 ways as a sum of consecutive naturals, for example, 3468035 + ... + 3471651.

It is an arithmetic number, because the mean of its divisors is an integer number (854752500).

Almost surely, 2^12550422131 is an apocalyptic number.

12550422131 is a deficient number, since it is larger than the sum of its proper divisors (1125617869).

12550422131 is a wasteful number, since it uses less digits than its factorization.

12550422131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 12550422131 its reverse (13122405521), we get a palindrome (25672827652).

The spelling of 12550422131 in words is "twelve billion, five hundred fifty million, four hundred twenty-two thousand, one hundred thirty-one".