1213003201223 has 16 divisors (see below), whose sum is σ = 1324381047936. Its totient is φ = 1101809852640.

The previous prime is 1213003201187. The next prime is 1213003201247. The reversal of 1213003201223 is 3221023003121.

It is a cyclic number.

It is not a de Polignac number, because 1213003201223 - 2⁸ = 1213003200967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213003201195 and 1213003201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213003201723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125786240 + ... + 125795882.

It is an arithmetic number, because the mean of its divisors is an integer number (82773815496).

Almost surely, 2^{1213003201223} is an apocalyptic number.

1213003201223 is a deficient number, since it is larger than the sum of its proper divisors (111377846713).

1213003201223 is a wasteful number, since it uses less digits than its factorization.

1213003201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18014.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1213003201223 its reverse (3221023003121), we get a palindrome (4434026204344).

The spelling of 1213003201223 in words is "one trillion, two hundred thirteen billion, three million, two hundred one thousand, two hundred twenty-three".