212020100233 has 4 divisors (see below), whose sum is σ = 212710719760. Its totient is φ = 211329480708.

The previous prime is 212020100219. The next prime is 212020100273. The reversal of 212020100233 is 332001020212.

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 212020100233 - 2⁹ = 212020099721 is a prime.

It is a super-2 number, since 2×212020100233² (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 (212020100273) 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, 345309303 + ... + 345309916.

It is an arithmetic number, because the mean of its divisors is an integer number (53177679940).

Almost surely, 2^212020100233 is an apocalyptic number.

It is an amenable number.

212020100233 is a deficient number, since it is larger than the sum of its proper divisors (690619527).

212020100233 is an equidigital number, since it uses as much as digits as its factorization.

212020100233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690619526.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 212020100233 its reverse (332001020212), we get a palindrome (544021120445).

The spelling of 212020100233 in words is "two hundred twelve billion, twenty million, one hundred thousand, two hundred thirty-three".