12052050645 has 16 divisors (see below), whose sum is σ = 20298191040. Its totient is φ = 6089457024.

The previous prime is 12052050631. The next prime is 12052050653. The reversal of 12052050645 is 54605025021.

It is not a de Polignac number, because 12052050645 - 2⁴ = 12052050629 is a prime.

It is a Curzon number.

It is a congruent number.

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, 21143664 + ... + 21144233.

It is an arithmetic number, because the mean of its divisors is an integer number (1268636940).

Almost surely, 2^12052050645 is an apocalyptic number.

12052050645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12052050645 is a deficient number, since it is larger than the sum of its proper divisors (8246140395).

12052050645 is a wasteful number, since it uses less digits than its factorization.

12052050645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42287924.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 12052050645 its reverse (54605025021), we get a palindrome (66657075666).

The spelling of 12052050645 in words is "twelve billion, fifty-two million, fifty thousand, six hundred forty-five".