12741072240 has 120 divisors (see below), whose sum is σ = 42769427760. Its totient is φ = 3136253952.

The previous prime is 12741072173. The next prime is 12741072241. The reversal of 12741072240 is 4227014721.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12741072198 and 12741072207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12741072241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116505 + ... + 197624.

It is an arithmetic number, because the mean of its divisors is an integer number (356411898).

Almost surely, 2^12741072240 is an apocalyptic number.

12741072240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12741072240 is an abundant number, since it is smaller than the sum of its proper divisors (30028355520).

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

12741072240 is a wasteful number, since it uses less digits than its factorization.

12741072240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314171 (or 314152 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

Adding to 12741072240 its reverse (4227014721), we get a palindrome (16968086961).

The spelling of 12741072240 in words is "twelve billion, seven hundred forty-one million, seventy-two thousand, two hundred forty".