12020254305 has 8 divisors (see below), whose sum is σ = 19232406912. Its totient is φ = 6410802288.

The previous prime is 12020254291. The next prime is 12020254339. The reversal of 12020254305 is 50345202021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12020254305 - 2⁸ = 12020254049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400675129 + ... + 400675158.

It is an arithmetic number, because the mean of its divisors is an integer number (2404050864).

Almost surely, 2^12020254305 is an apocalyptic number.

12020254305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12020254305 is a deficient number, since it is larger than the sum of its proper divisors (7212152607).

12020254305 is an equidigital number, since it uses as much as digits as its factorization.

12020254305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801350295.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 12020254305 its reverse (50345202021), we get a palindrome (62365456326).

The spelling of 12020254305 in words is "twelve billion, twenty million, two hundred fifty-four thousand, three hundred five".