212002223113 has 4 divisors (see below), whose sum is σ = 214187813140. Its totient is φ = 209816633088.

The previous prime is 212002223099. The next prime is 212002223129. The reversal of 212002223113 is 311322200212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137828790009 + 74173433104 = 371253^2 + 272348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212002223113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212002223143) 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, 1092794868 + ... + 1092795061.

It is an arithmetic number, because the mean of its divisors is an integer number (53546953285).

Almost surely, 2^212002223113 is an apocalyptic number.

It is an amenable number.

212002223113 is a deficient number, since it is larger than the sum of its proper divisors (2185590027).

212002223113 is an equidigital number, since it uses as much as digits as its factorization.

212002223113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185590026.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212002223113 its reverse (311322200212), we get a palindrome (523324423325).

The spelling of 212002223113 in words is "two hundred twelve billion, two million, two hundred twenty-three thousand, one hundred thirteen".