12400211203 has 4 divisors (see below), whose sum is σ = 12800218048. Its totient is φ = 12000204360.

The previous prime is 12400211171. The next prime is 12400211261. The reversal of 12400211203 is 30211200421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12400211203 - 2⁵ = 12400211171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12400218203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200003376 + ... + 200003437.

It is an arithmetic number, because the mean of its divisors is an integer number (3200054512).

Almost surely, 2^12400211203 is an apocalyptic number.

12400211203 is a deficient number, since it is larger than the sum of its proper divisors (400006845).

12400211203 is an equidigital number, since it uses as much as digits as its factorization.

12400211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400006844.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12400211203 its reverse (30211200421), we get a palindrome (42611411624).

The spelling of 12400211203 in words is "twelve billion, four hundred million, two hundred eleven thousand, two hundred three".