212020100033 has 6 divisors (see below), whose sum is σ = 246635626626. Its totient is φ = 181731514272.

The previous prime is 212020100009. The next prime is 212020100051. The reversal of 212020100033 is 330001020212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 190818701584 + 21201398449 = 436828^2 + 145607^2 .

It is not a de Polignac number, because 212020100033 - 2⁶ = 212020099969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212020099990 and 212020100017.

It is not an unprimeable number, because it can be changed into a prime (212020100053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2163470360 + ... + 2163470457.

It is an arithmetic number, because the mean of its divisors is an integer number (41105937771).

Almost surely, 2^212020100033 is an apocalyptic number.

It is an amenable number.

212020100033 is a deficient number, since it is larger than the sum of its proper divisors (34615526593).

212020100033 is an equidigital number, since it uses as much as digits as its factorization.

212020100033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326940831 (or 4326940824 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 212020100033 its reverse (330001020212), we get a palindrome (542021120245).

The spelling of 212020100033 in words is "two hundred twelve billion, twenty million, one hundred thousand, thirty-three".