12027022520 has 16 divisors (see below), whose sum is σ = 27060800760. Its totient is φ = 4810808992.

The previous prime is 12027022517. The next prime is 12027022583. The reversal of 12027022520 is 2522072021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150337742 + ... + 150337821.

Almost surely, 2^12027022520 is an apocalyptic number.

12027022520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12027022520 is an abundant number, since it is smaller than the sum of its proper divisors (15033778240).

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

12027022520 is a wasteful number, since it uses less digits than its factorization.

12027022520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300675574 (or 300675570 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

Adding to 12027022520 its reverse (2522072021), we get a palindrome (14549094541).

The spelling of 12027022520 in words is "twelve billion, twenty-seven million, twenty-two thousand, five hundred twenty".