12041434305 has 24 divisors (see below), whose sum is σ = 22099574952. Its totient is φ = 6044327424.

The previous prime is 12041434289. The next prime is 12041434309. The reversal of 12041434305 is 50343414021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 549808704 + 11491625601 = 23448^2 + 107199^2 .

It is not a de Polignac number, because 12041434305 - 2⁴ = 12041434289 is a prime.

It is a super-2 number, since 2×12041434305² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12041434309) 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, 7869454 + ... + 7870983.

It is an arithmetic number, because the mean of its divisors is an integer number (920815623).

Almost surely, 2^12041434305 is an apocalyptic number.

12041434305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12041434305 is a deficient number, since it is larger than the sum of its proper divisors (10058140647).

12041434305 is a wasteful number, since it uses less digits than its factorization.

12041434305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15740465 (or 15740462 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 12041434305 its reverse (50343414021), we get a palindrome (62384848326).

The spelling of 12041434305 in words is "twelve billion, forty-one million, four hundred thirty-four thousand, three hundred five".