12344332145 has 16 divisors (see below), whose sum is σ = 15700625280. Its totient is φ = 9285037824.

The previous prime is 12344332141. The next prime is 12344332159. The reversal of 12344332145 is 54123344321.

It is a cyclic number.

It is not a de Polignac number, because 12344332145 - 2² = 12344332141 is a prime.

It is a super-2 number, since 2×12344332145² (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 (12344332141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9686 + ... + 157424.

It is an arithmetic number, because the mean of its divisors is an integer number (981289080).

Almost surely, 2^12344332145 is an apocalyptic number.

It is an amenable number.

12344332145 is a deficient number, since it is larger than the sum of its proper divisors (3356293135).

12344332145 is a wasteful number, since it uses less digits than its factorization.

12344332145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148744.

The product of its digits is 34560, while the sum is 32.

Adding to 12344332145 its reverse (54123344321), we get a palindrome (66467676466).

The spelling of 12344332145 in words is "twelve billion, three hundred forty-four million, three hundred thirty-two thousand, one hundred forty-five".