212033104421 has 16 divisors (see below), whose sum is σ = 223578937344. Its totient is φ = 200682054144.

The previous prime is 212033104417. The next prime is 212033104441. The reversal of 212033104421 is 124401330212.

It is a cyclic number.

It is not a de Polignac number, because 212033104421 - 2² = 212033104417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212033104441) 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 15 ways as a sum of consecutive naturals, for example, 19834940 + ... + 19845626.

It is an arithmetic number, because the mean of its divisors is an integer number (13973683584).

Almost surely, 2^212033104421 is an apocalyptic number.

It is an amenable number.

212033104421 is a deficient number, since it is larger than the sum of its proper divisors (11545832923).

212033104421 is a wasteful number, since it uses less digits than its factorization.

212033104421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19700.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212033104421 its reverse (124401330212), we get a palindrome (336434434633).

The spelling of 212033104421 in words is "two hundred twelve billion, thirty-three million, one hundred four thousand, four hundred twenty-one".