212303121211 has 8 divisors (see below), whose sum is σ = 219173299200. Its totient is φ = 205434298920.

The previous prime is 212303121209. The next prime is 212303121223. The reversal of 212303121211 is 112121303212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212303121211 - 2¹ = 212303121209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212303121241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15751 + ... + 651808.

It is an arithmetic number, because the mean of its divisors is an integer number (27396662400).

Almost surely, 2^212303121211 is an apocalyptic number.

212303121211 is a deficient number, since it is larger than the sum of its proper divisors (6870177989).

212303121211 is a wasteful number, since it uses less digits than its factorization.

212303121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677849.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212303121211 its reverse (112121303212), we get a palindrome (324424424423).

The spelling of 212303121211 in words is "two hundred twelve billion, three hundred three million, one hundred twenty-one thousand, two hundred eleven".