12452142145 has 16 divisors (see below), whose sum is σ = 14976266112. Its totient is φ = 9939283200.

The previous prime is 12452142137. The next prime is 12452142149. The reversal of 12452142145 is 54124125421.

It is not a de Polignac number, because 12452142145 - 2³ = 12452142137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12452142149) 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, 6982924 + ... + 6984706.

It is an arithmetic number, because the mean of its divisors is an integer number (936016632).

Almost surely, 2^12452142145 is an apocalyptic number.

It is an amenable number.

12452142145 is a deficient number, since it is larger than the sum of its proper divisors (2524123967).

12452142145 is a wasteful number, since it uses less digits than its factorization.

12452142145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152.

The product of its digits is 12800, while the sum is 31.

Adding to 12452142145 its reverse (54124125421), we get a palindrome (66576267566).

The spelling of 12452142145 in words is "twelve billion, four hundred fifty-two million, one hundred forty-two thousand, one hundred forty-five".