12011003120 has 20 divisors (see below), whose sum is σ = 27925582440. Its totient is φ = 4804401216.

The previous prime is 12011003111. The next prime is 12011003131. The reversal of 12011003120 is 2130011021.

It is a tau number, because it is divible by the number of its divisors (20).

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, 75068690 + ... + 75068849.

It is an arithmetic number, because the mean of its divisors is an integer number (1396279122).

Almost surely, 2^12011003120 is an apocalyptic number.

12011003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011003120 is an abundant number, since it is smaller than the sum of its proper divisors (15914579320).

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

12011003120 is a wasteful number, since it uses less digits than its factorization.

12011003120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150137552 (or 150137546 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12011003120 its reverse (2130011021), we get a palindrome (14141014141).

The spelling of 12011003120 in words is "twelve billion, eleven million, three thousand, one hundred twenty".