12050454561 has 16 divisors (see below), whose sum is σ = 16919675520. Its totient is φ = 7613844480.

The previous prime is 12050454553. The next prime is 12050454589. The reversal of 12050454561 is 16545405021.

It is not a de Polignac number, because 12050454561 - 2³ = 12050454553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12050454511) 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, 793600 + ... + 808641.

It is an arithmetic number, because the mean of its divisors is an integer number (1057479720).

Almost surely, 2^12050454561 is an apocalyptic number.

It is an amenable number.

12050454561 is a deficient number, since it is larger than the sum of its proper divisors (4869220959).

12050454561 is a wasteful number, since it uses less digits than its factorization.

12050454561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602376.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 12050454561 its reverse (16545405021), we get a palindrome (28595859582).

The spelling of 12050454561 in words is "twelve billion, fifty million, four hundred fifty-four thousand, five hundred sixty-one".