212100313233 has 4 divisors (see below), whose sum is σ = 282800417648. Its totient is φ = 141400208820.

The previous prime is 212100313231. The next prime is 212100313237. The reversal of 212100313233 is 332313001212.

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 212100313233 - 2¹ = 212100313231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212100313231) 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, 35350052203 + ... + 35350052208.

It is an arithmetic number, because the mean of its divisors is an integer number (70700104412).

Almost surely, 2^212100313233 is an apocalyptic number.

It is an amenable number.

212100313233 is a deficient number, since it is larger than the sum of its proper divisors (70700104415).

212100313233 is an equidigital number, since it uses as much as digits as its factorization.

212100313233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70700104414.

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

Adding to 212100313233 its reverse (332313001212), we get a palindrome (544413314445).

The spelling of 212100313233 in words is "two hundred twelve billion, one hundred million, three hundred thirteen thousand, two hundred thirty-three".