12053430105 has 8 divisors (see below), whose sum is σ = 19285488192. Its totient is φ = 6428496048.

The previous prime is 12053430041. The next prime is 12053430107. The reversal of 12053430105 is 50103435021.

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

It is not a de Polignac number, because 12053430105 - 2⁶ = 12053430041 is a prime.

It is a super-2 number, since 2×12053430105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12053430107) 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, 401780989 + ... + 401781018.

It is an arithmetic number, because the mean of its divisors is an integer number (2410686024).

Almost surely, 2^12053430105 is an apocalyptic number.

12053430105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12053430105 is a deficient number, since it is larger than the sum of its proper divisors (7232058087).

12053430105 is an equidigital number, since it uses as much as digits as its factorization.

12053430105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803562015.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 12053430105 its reverse (50103435021), we get a palindrome (62156865126).

The spelling of 12053430105 in words is "twelve billion, fifty-three million, four hundred thirty thousand, one hundred five".