12440134130 has 8 divisors (see below), whose sum is σ = 22392241452. Its totient is φ = 4976053648.

The previous prime is 12440134127. The next prime is 12440134153. The reversal of 12440134130 is 3143104421.

It can be written as a sum of positive squares in 2 ways, for example, as 12190588921 + 249545209 = 110411^2 + 15797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12440134096 and 12440134105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622006697 + ... + 622006716.

Almost surely, 2^12440134130 is an apocalyptic number.

12440134130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12440134130 is a deficient number, since it is larger than the sum of its proper divisors (9952107322).

12440134130 is a wasteful number, since it uses less digits than its factorization.

12440134130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244013420.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12440134130 its reverse (3143104421), we get a palindrome (15583238551).

The spelling of 12440134130 in words is "twelve billion, four hundred forty million, one hundred thirty-four thousand, one hundred thirty".