212022104 has 16 divisors (see below), whose sum is σ = 454333200. Its totient is φ = 90866592.

The previous prime is 212022091. The next prime is 212022143. The reversal of 212022104 is 401220212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892999 + ... + 1893110.

It is an arithmetic number, because the mean of its divisors is an integer number (28395825).

Almost surely, 2^212022104 is an apocalyptic number.

It is an amenable number.

212022104 is an abundant number, since it is smaller than the sum of its proper divisors (242311096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212022104 is a wasteful number, since it uses less digits than its factorization.

212022104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786122 (or 3786118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 212022104 is about 14560.9788132529. The cubic root of 212022104 is about 596.2939183603.

Adding to 212022104 its reverse (401220212), we get a palindrome (613242316).

The spelling of 212022104 in words is "two hundred twelve million, twenty-two thousand, one hundred four".