212303101233 has 4 divisors (see below), whose sum is σ = 283070801648. Its totient is φ = 141535400820.

The previous prime is 212303101217. The next prime is 212303101259. The reversal of 212303101233 is 332101303212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212303101233 - 2⁴ = 212303101217 is a prime.

It is a super-2 number, since 2×212303101233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212303101033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35383850203 + ... + 35383850208.

It is an arithmetic number, because the mean of its divisors is an integer number (70767700412).

Almost surely, 2^212303101233 is an apocalyptic number.

It is an amenable number.

212303101233 is a deficient number, since it is larger than the sum of its proper divisors (70767700415).

212303101233 is an equidigital number, since it uses as much as digits as its factorization.

212303101233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70767700414.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 212303101233 its reverse (332101303212), we get a palindrome (544404404445).

The spelling of 212303101233 in words is "two hundred twelve billion, three hundred three million, one hundred one thousand, two hundred thirty-three".