1213443353211 has 16 divisors (see below), whose sum is σ = 1661717260800. Its totient is φ = 787067553888.

The previous prime is 1213443353201. The next prime is 1213443353219. The reversal of 1213443353211 is 1123533443121.

It is not a de Polignac number, because 1213443353211 - 2²² = 1213439158907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213443353219) 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, 2825230 + ... + 3226268.

It is an arithmetic number, because the mean of its divisors is an integer number (103857328800).

Almost surely, 2^{1213443353211} is an apocalyptic number.

1213443353211 is a deficient number, since it is larger than the sum of its proper divisors (448273907589).

1213443353211 is a wasteful number, since it uses less digits than its factorization.

1213443353211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428338.

The product of its digits is 25920, while the sum is 33.

Adding to 1213443353211 its reverse (1123533443121), we get a palindrome (2336976796332).

The spelling of 1213443353211 in words is "one trillion, two hundred thirteen billion, four hundred forty-three million, three hundred fifty-three thousand, two hundred eleven".