12012331123020 has 48 divisors (see below), whose sum is σ = 33803544902400. Its totient is φ = 3187191370176.

The previous prime is 12012331123019. The next prime is 12012331123031. The reversal of 12012331123020 is 2032113321021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503017002 + ... + 503040881.

It is an arithmetic number, because the mean of its divisors is an integer number (704240518800).

Almost surely, 2^{12012331123020} is an apocalyptic number.

12012331123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012331123020 is an abundant number, since it is smaller than the sum of its proper divisors (21791213779380).

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

12012331123020 is a wasteful number, since it uses less digits than its factorization.

12012331123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006058094 (or 1006058092 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12012331123020 its reverse (2032113321021), we get a palindrome (14044444444041).

The spelling of 12012331123020 in words is "twelve trillion, twelve billion, three hundred thirty-one million, one hundred twenty-three thousand, twenty".