12020131133443 has 16 divisors (see below), whose sum is σ = 12126651457536. Its totient is φ = 11914013348640.

The previous prime is 12020131133411. The next prime is 12020131133519. The reversal of 12020131133443 is 34433113102021.

It is a cyclic number.

It is not a de Polignac number, because 12020131133443 - 2⁵ = 12020131133411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020131173443) by changing a digit.

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, 166671730 + ... + 166743832.

It is an arithmetic number, because the mean of its divisors is an integer number (757915716096).

Almost surely, 2^{12020131133443} is an apocalyptic number.

12020131133443 is a deficient number, since it is larger than the sum of its proper divisors (106520324093).

12020131133443 is a wasteful number, since it uses less digits than its factorization.

12020131133443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74874.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 12020131133443 its reverse (34433113102021), we get a palindrome (46453244235464).

The spelling of 12020131133443 in words is "twelve trillion, twenty billion, one hundred thirty-one million, one hundred thirty-three thousand, four hundred forty-three".