12061331545 has 8 divisors (see below), whose sum is σ = 14474433024. Its totient is φ = 9648508464.

The previous prime is 12061331519. The next prime is 12061331551. The reversal of 12061331545 is 54513316021.

12061331545 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 a cyclic number.

It is not a de Polignac number, because 12061331545 - 2¹⁹ = 12060807257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41982 + ... + 160888.

It is an arithmetic number, because the mean of its divisors is an integer number (1809304128).

Almost surely, 2^12061331545 is an apocalyptic number.

It is an amenable number.

12061331545 is a deficient number, since it is larger than the sum of its proper divisors (2413101479).

12061331545 is a wasteful number, since it uses less digits than its factorization.

12061331545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139199.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 12061331545 its reverse (54513316021), we get a palindrome (66574647566).

The spelling of 12061331545 in words is "twelve billion, sixty-one million, three hundred thirty-one thousand, five hundred forty-five".