12740261118 has 16 divisors (see below), whose sum is σ = 27440562576. Its totient is φ = 3920080320.

The previous prime is 12740261101. The next prime is 12740261119. The reversal of 12740261118 is 81116204721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740261119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81668263 + ... + 81668418.

It is an arithmetic number, because the mean of its divisors is an integer number (1715035161).

Almost surely, 2^12740261118 is an apocalyptic number.

12740261118 is an abundant number, since it is smaller than the sum of its proper divisors (14700301458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12740261118 is a wasteful number, since it uses less digits than its factorization.

12740261118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163336699.

The product of its (nonzero) digits is 5376, while the sum is 33.

Adding to 12740261118 its reverse (81116204721), we get a palindrome (93856465839).

The spelling of 12740261118 in words is "twelve billion, seven hundred forty million, two hundred sixty-one thousand, one hundred eighteen".