12001344530 has 16 divisors (see below), whose sum is σ = 24688480320. Its totient is φ = 4114746672.

The previous prime is 12001344503. The next prime is 12001344569. The reversal of 12001344530 is 3544310021.

It is a junction number, because it is equal to n+sod(n) for n = 12001344496 and 12001344505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85723820 + ... + 85723959.

It is an arithmetic number, because the mean of its divisors is an integer number (1543030020).

Almost surely, 2^12001344530 is an apocalyptic number.

12001344530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001344530 is an abundant number, since it is smaller than the sum of its proper divisors (12687135790).

12001344530 is a wasteful number, since it uses less digits than its factorization.

12001344530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171447793.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12001344530 its reverse (3544310021), we get a palindrome (15545654551).

The spelling of 12001344530 in words is "twelve billion, one million, three hundred forty-four thousand, five hundred thirty".