212021223033 has 8 divisors (see below), whose sum is σ = 299324079648. Its totient is φ = 133032924224.

The previous prime is 212021223019. The next prime is 212021223047. The reversal of 212021223033 is 330322120212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212021223019) and next prime (212021223047).

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 212021223033 - 2¹³ = 212021214841 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212021223013) 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, 2078639391 + ... + 2078639492.

It is an arithmetic number, because the mean of its divisors is an integer number (37415509956).

Almost surely, 2^212021223033 is an apocalyptic number.

It is an amenable number.

212021223033 is a deficient number, since it is larger than the sum of its proper divisors (87302856615).

212021223033 is a wasteful number, since it uses less digits than its factorization.

212021223033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157278903.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212021223033 its reverse (330322120212), we get a palindrome (542343343245).

The spelling of 212021223033 in words is "two hundred twelve billion, twenty-one million, two hundred twenty-three thousand, thirty-three".