12142325545 has 16 divisors (see below), whose sum is σ = 16817211648. Its totient is φ = 8243726400.

The previous prime is 12142325539. The next prime is 12142325581. The reversal of 12142325545 is 54552324121.

It is a happy number.

It is not a de Polignac number, because 12142325545 - 2⁹ = 12142325033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12142325545.

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, 1713909 + ... + 1720978.

It is an arithmetic number, because the mean of its divisors is an integer number (1051075728).

Almost surely, 2^12142325545 is an apocalyptic number.

It is an amenable number.

12142325545 is a deficient number, since it is larger than the sum of its proper divisors (4674886103).

12142325545 is a wasteful number, since it uses less digits than its factorization.

12142325545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435000.

The product of its digits is 48000, while the sum is 34.

Adding to 12142325545 its reverse (54552324121), we get a palindrome (66694649666).

The spelling of 12142325545 in words is "twelve billion, one hundred forty-two million, three hundred twenty-five thousand, five hundred forty-five".