12055023420 has 96 divisors (see below), whose sum is σ = 37606173696. Its totient is φ = 2860243200.

The previous prime is 12055023403. The next prime is 12055023439. The reversal of 12055023420 is 2432055021.

12055023420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 163291 + ... + 225330.

It is an arithmetic number, because the mean of its divisors is an integer number (391730976).

Almost surely, 2^12055023420 is an apocalyptic number.

12055023420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12055023420 is an abundant number, since it is smaller than the sum of its proper divisors (25551150276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12055023420 is a wasteful number, since it uses less digits than its factorization.

12055023420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388691 (or 388689 counting only the distinct ones).

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

Adding to 12055023420 its reverse (2432055021), we get a palindrome (14487078441).

The spelling of 12055023420 in words is "twelve billion, fifty-five million, twenty-three thousand, four hundred twenty".