1222001213103 has 32 divisors (see below), whose sum is σ = 1975887137280. Its totient is φ = 740255915520.

The previous prime is 1222001213089. The next prime is 1222001213119. The reversal of 1222001213103 is 3013121002221.

1222001213103 is a `hidden beast` number, since 12 + 220 + 0 + 121 + 310 + 3 = 666.

It is not a de Polignac number, because 1222001213103 - 2⁴ = 1222001213087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222001213123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346051 + ... + 1601172.

It is an arithmetic number, because the mean of its divisors is an integer number (61746473040).

Almost surely, 2^{1222001213103} is an apocalyptic number.

1222001213103 is a deficient number, since it is larger than the sum of its proper divisors (753885924177).

1222001213103 is a wasteful number, since it uses less digits than its factorization.

1222001213103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949356 (or 1949350 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1222001213103 its reverse (3013121002221), we get a palindrome (4235122215324).

The spelling of 1222001213103 in words is "one trillion, two hundred twenty-two billion, one million, two hundred thirteen thousand, one hundred three".