212002044 has 12 divisors (see below), whose sum is σ = 494671464. Its totient is φ = 70667344.

The previous prime is 212002033. The next prime is 212002069. The reversal of 212002044 is 440200212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8833407 + ... + 8833430.

It is an arithmetic number, because the mean of its divisors is an integer number (41222622).

Almost surely, 2^212002044 is an apocalyptic number.

It is an amenable number.

212002044 is an abundant number, since it is smaller than the sum of its proper divisors (282669420).

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

212002044 is a wasteful number, since it uses less digits than its factorization.

212002044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17666844 (or 17666842 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 212002044 is about 14560.2899696400. The cubic root of 212002044 is about 596.2751120928.

Adding to 212002044 its reverse (440200212), we get a palindrome (652202256).

The spelling of 212002044 in words is "two hundred twelve million, two thousand, forty-four".