212211242303 has 16 divisors (see below), whose sum is σ = 218867750400. Its totient is φ = 205664659200.

The previous prime is 212211242281. The next prime is 212211242317. The reversal of 212211242303 is 303242112212.

It is a cyclic number.

It is not a de Polignac number, because 212211242303 - 2¹² = 212211238207 is a prime.

It is a super-3 number, since 3×212211242303³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211242333) 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, 3103028 + ... + 3170678.

It is an arithmetic number, because the mean of its divisors is an integer number (13679234400).

Almost surely, 2^212211242303 is an apocalyptic number.

212211242303 is a deficient number, since it is larger than the sum of its proper divisors (6656508097).

212211242303 is an equidigital number, since it uses as much as digits as its factorization.

212211242303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68462.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212211242303 its reverse (303242112212), we get a palindrome (515453354515).

The spelling of 212211242303 in words is "two hundred twelve billion, two hundred eleven million, two hundred forty-two thousand, three hundred three".