12020411421244 has 48 divisors (see below), whose sum is σ = 21204142848000. Its totient is φ = 5962194141696.

The previous prime is 12020411421191. The next prime is 12020411421349. The reversal of 12020411421244 is 44212411402021.

It is a congruent number.

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, 2894390272 + ... + 2894394424.

It is an arithmetic number, because the mean of its divisors is an integer number (441752976000).

Almost surely, 2^{12020411421244} is an apocalyptic number.

It is an amenable number.

12020411421244 is a deficient number, since it is larger than the sum of its proper divisors (9183731426756).

12020411421244 is a wasteful number, since it uses less digits than its factorization.

12020411421244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9382 (or 9380 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 12020411421244 its reverse (44212411402021), we get a palindrome (56232822823265).

The spelling of 12020411421244 in words is "twelve trillion, twenty billion, four hundred eleven million, four hundred twenty-one thousand, two hundred forty-four".