12051411405 has 32 divisors (see below), whose sum is σ = 21243489408. Its totient is φ = 5785248000.

The previous prime is 12051411373. The next prime is 12051411433. The reversal of 12051411405 is 50411415021.

It is not a de Polignac number, because 12051411405 - 2⁵ = 12051411373 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344914 + ... + 378243.

It is an arithmetic number, because the mean of its divisors is an integer number (663859044).

Almost surely, 2^12051411405 is an apocalyptic number.

12051411405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12051411405 is a deficient number, since it is larger than the sum of its proper divisors (9192078003).

12051411405 is a wasteful number, since it uses less digits than its factorization.

12051411405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723277.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 12051411405 its reverse (50411415021), we get a palindrome (62462826426).

The spelling of 12051411405 in words is "twelve billion, fifty-one million, four hundred eleven thousand, four hundred five".