12203021401443 has 40 divisors (see below), whose sum is σ = 18239809452480. Its totient is φ = 8130616723440.

The previous prime is 12203021401433. The next prime is 12203021401531. The reversal of 12203021401443 is 34410412030221.

12203021401443 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 3 + 0 + 214 + 0 + 1 + 443 = 666.

It is not a de Polignac number, because 12203021401443 - 2⁹ = 12203021400931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12203021401433) 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 39 ways as a sum of consecutive naturals, for example, 1857099348 + ... + 1857105918.

It is an arithmetic number, because the mean of its divisors is an integer number (455995236312).

Almost surely, 2^{12203021401443} is an apocalyptic number.

12203021401443 is a deficient number, since it is larger than the sum of its proper divisors (6036788051037).

12203021401443 is an equidigital number, since it uses as much as digits as its factorization.

12203021401443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16429 (or 16420 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12203021401443 its reverse (34410412030221), we get a palindrome (46613433431664).

The spelling of 12203021401443 in words is "twelve trillion, two hundred three billion, twenty-one million, four hundred one thousand, four hundred forty-three".