12443331402020 has 24 divisors (see below), whose sum is σ = 26132808811200. Its totient is φ = 4976987252832.

The previous prime is 12443331402001. The next prime is 12443331402049. The reversal of 12443331402020 is 2020413334421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21286160 + ... + 21862919.

It is an arithmetic number, because the mean of its divisors is an integer number (1088867033800).

Almost surely, 2^{12443331402020} is an apocalyptic number.

12443331402020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12443331402020 is an abundant number, since it is smaller than the sum of its proper divisors (13689477409180).

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

12443331402020 is a wasteful number, since it uses less digits than its factorization.

12443331402020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43163507 (or 43163505 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 12443331402020 its reverse (2020413334421), we get a palindrome (14463744736441).

The spelling of 12443331402020 in words is "twelve trillion, four hundred forty-three billion, three hundred thirty-one million, four hundred two thousand, twenty".