212120220011203 has 16 divisors (see below), whose sum is σ = 256686816291840. Its totient is φ = 171119844395136.

The previous prime is 212120220011159. The next prime is 212120220011243. The reversal of 212120220011203 is 302110022021212.

It is not a de Polignac number, because 212120220011203 - 2¹⁷ = 212120219880131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212120220011243) 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, 3510901 + ... + 20894182.

It is an arithmetic number, because the mean of its divisors is an integer number (16042926018240).

Almost surely, 2^{212120220011203} is an apocalyptic number.

212120220011203 is a deficient number, since it is larger than the sum of its proper divisors (44566596280637).

212120220011203 is a wasteful number, since it uses less digits than its factorization.

212120220011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24478146.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212120220011203 its reverse (302110022021212), we get a palindrome (514230242032415).

The spelling of 212120220011203 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred twenty million, eleven thousand, two hundred three".