1213022222003 has 4 divisors (see below), whose sum is σ = 1214616207288. Its totient is φ = 1211428236720.

The previous prime is 1213022221993. The next prime is 1213022222029. The reversal of 1213022222003 is 3002222203121.

It is a happy number.

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 1213022222003 - 2¹⁰ = 1213022220979 is a prime.

It is a super-2 number, since 2×1213022222003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213022221003) 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, 796991501 + ... + 796993022.

It is an arithmetic number, because the mean of its divisors is an integer number (303654051822).

Almost surely, 2^{1213022222003} is an apocalyptic number.

1213022222003 is a deficient number, since it is larger than the sum of its proper divisors (1593985285).

1213022222003 is an equidigital number, since it uses as much as digits as its factorization.

1213022222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593985284.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1213022222003 its reverse (3002222203121), we get a palindrome (4215244425124).

The spelling of 1213022222003 in words is "one trillion, two hundred thirteen billion, twenty-two million, two hundred twenty-two thousand, three".