12540150164 has 12 divisors (see below), whose sum is σ = 23236160724. Its totient is φ = 5901247104.

The previous prime is 12540150151. The next prime is 12540150173. The reversal of 12540150164 is 46105104521.

12540150164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10414202500 + 2125947664 = 102050^2 + 46108^2 .

It is a super-2 number, since 2×12540150164² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 92206919 + ... + 92207054.

It is an arithmetic number, because the mean of its divisors is an integer number (1936346727).

Almost surely, 2^12540150164 is an apocalyptic number.

It is an amenable number.

12540150164 is a deficient number, since it is larger than the sum of its proper divisors (10696010560).

12540150164 is a wasteful number, since it uses less digits than its factorization.

12540150164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184413994 (or 184413992 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 12540150164 its reverse (46105104521), we get a palindrome (58645254685).

The spelling of 12540150164 in words is "twelve billion, five hundred forty million, one hundred fifty thousand, one hundred sixty-four".