12212302203203 has 4 divisors (see below), whose sum is σ = 12855054950760. Its totient is φ = 11569549455648.

The previous prime is 12212302203149. The next prime is 12212302203217. The reversal of 12212302203203 is 30230220321221.

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 12212302203203 - 2²² = 12212298008899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212302208203) 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, 321376373750 + ... + 321376373787.

It is an arithmetic number, because the mean of its divisors is an integer number (3213763737690).

Almost surely, 2^{12212302203203} is an apocalyptic number.

12212302203203 is a deficient number, since it is larger than the sum of its proper divisors (642752747557).

12212302203203 is an equidigital number, since it uses as much as digits as its factorization.

12212302203203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642752747556.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12212302203203 its reverse (30230220321221), we get a palindrome (42442522524424).

The spelling of 12212302203203 in words is "twelve trillion, two hundred twelve billion, three hundred two million, two hundred three thousand, two hundred three".