12134325505 has 16 divisors (see below), whose sum is σ = 15054478848. Its totient is φ = 9379584000.

The previous prime is 12134325479. The next prime is 12134325521. The reversal of 12134325505 is 50552343121.

It is not a de Polignac number, because 12134325505 - 2¹³ = 12134317313 is a prime.

It is a super-2 number, since 2×12134325505² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38290 + ... + 160420.

It is an arithmetic number, because the mean of its divisors is an integer number (940904928).

Almost surely, 2^12134325505 is an apocalyptic number.

It is an amenable number.

12134325505 is a deficient number, since it is larger than the sum of its proper divisors (2920153343).

12134325505 is a wasteful number, since it uses less digits than its factorization.

12134325505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122808.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 12134325505 its reverse (50552343121), we get a palindrome (62686668626).

The spelling of 12134325505 in words is "twelve billion, one hundred thirty-four million, three hundred twenty-five thousand, five hundred five".