12400203111443 has 8 divisors (see below), whose sum is σ = 14172047235840. Its totient is φ = 10628455621320.

The previous prime is 12400203111427. The next prime is 12400203111451. The reversal of 12400203111443 is 34411130200421.

12400203111443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12400203111443 - 2⁴ = 12400203111427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12400203111493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23883383 + ... + 24397056.

It is an arithmetic number, because the mean of its divisors is an integer number (1771505904480).

Almost surely, 2^{12400203111443} is an apocalyptic number.

12400203111443 is a deficient number, since it is larger than the sum of its proper divisors (1771844124397).

12400203111443 is an equidigital number, since it uses as much as digits as its factorization.

12400203111443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48317137.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 12400203111443 its reverse (34411130200421), we get a palindrome (46811333311864).

The spelling of 12400203111443 in words is "twelve trillion, four hundred billion, two hundred three million, one hundred eleven thousand, four hundred forty-three".