12011023033020 has 144 divisors (see below), whose sum is σ = 41473635420672. Its totient is φ = 2785164750720.

The previous prime is 12011023033001. The next prime is 12011023033099. The reversal of 12011023033020 is 2033032011021.

12011023033020 is a `hidden beast` number, since 1 + 20 + 110 + 230 + 3 + 302 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12011023032984 and 12011023033002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131827792 + ... + 131918871.

It is an arithmetic number, because the mean of its divisors is an integer number (288011357088).

Almost surely, 2^{12011023033020} is an apocalyptic number.

12011023033020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011023033020 is an abundant number, since it is smaller than the sum of its proper divisors (29462612387652).

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

12011023033020 is a wasteful number, since it uses less digits than its factorization.

12011023033020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263746712 (or 263746707 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12011023033020 its reverse (2033032011021), we get a palindrome (14044055044041).

The spelling of 12011023033020 in words is "twelve trillion, eleven billion, twenty-three million, thirty-three thousand, twenty".