12135405322 has 8 divisors (see below), whose sum is σ = 18235442016. Its totient is φ = 6056924652.

The previous prime is 12135405193. The next prime is 12135405323. The reversal of 12135405322 is 22350453121.

12135405322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (12135405323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5387598 + ... + 5389849.

It is an arithmetic number, because the mean of its divisors is an integer number (2279430252).

Almost surely, 2^12135405322 is an apocalyptic number.

12135405322 is a deficient number, since it is larger than the sum of its proper divisors (6100036694).

12135405322 is a wasteful number, since it uses less digits than its factorization.

12135405322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10778012.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 12135405322 its reverse (22350453121), we get a palindrome (34485858443).

The spelling of 12135405322 in words is "twelve billion, one hundred thirty-five million, four hundred five thousand, three hundred twenty-two".