1223213021203 has 2 divisors, whose sum is σ = 1223213021204. Its totient is φ = 1223213021202.

The previous prime is 1223213021189. The next prime is 1223213021207. The reversal of 1223213021203 is 3021203123221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223213021203 - 2⁹ = 1223213020691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223213021207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611606510601 + 611606510602.

It is an arithmetic number, because the mean of its divisors is an integer number (611606510602).

Almost surely, 2^{1223213021203} is an apocalyptic number.

1223213021203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223213021203 is an equidigital number, since it uses as much as digits as its factorization.

1223213021203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1223213021203 its reverse (3021203123221), we get a palindrome (4244416144424).

The spelling of 1223213021203 in words is "one trillion, two hundred twenty-three billion, two hundred thirteen million, twenty-one thousand, two hundred three".