12513126241 has 32 divisors (see below), whose sum is σ = 16676222976. Its totient is φ = 9099024000.

The previous prime is 12513126221. The next prime is 12513126251. The reversal of 12513126241 is 14262131521.

It is not a de Polignac number, because 12513126241 - 2¹⁷ = 12512995169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12513126221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13555 + ... + 158776.

It is an arithmetic number, because the mean of its divisors is an integer number (521131968).

Almost surely, 2^12513126241 is an apocalyptic number.

12513126241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12513126241 is a deficient number, since it is larger than the sum of its proper divisors (4163096735).

12513126241 is a wasteful number, since it uses less digits than its factorization.

12513126241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172413.

The product of its digits is 2880, while the sum is 28.

Adding to 12513126241 its reverse (14262131521), we get a palindrome (26775257762).

The spelling of 12513126241 in words is "twelve billion, five hundred thirteen million, one hundred twenty-six thousand, two hundred forty-one".