12045120530 has 8 divisors (see below), whose sum is σ = 21681216972. Its totient is φ = 4818048208.

The previous prime is 12045120511. The next prime is 12045120553. The reversal of 12045120530 is 3502154021.

It can be written as a sum of positive squares in 2 ways, for example, as 10436869921 + 1608250609 = 102161^2 + 40103^2 .

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 = 12045120496 and 12045120505.

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, 602256017 + ... + 602256036.

Almost surely, 2^12045120530 is an apocalyptic number.

12045120530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12045120530 is a deficient number, since it is larger than the sum of its proper divisors (9636096442).

12045120530 is a wasteful number, since it uses less digits than its factorization.

12045120530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204512060.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 12045120530 its reverse (3502154021), we get a palindrome (15547274551).

The spelling of 12045120530 in words is "twelve billion, forty-five million, one hundred twenty thousand, five hundred thirty".