212413044 has 12 divisors (see below), whose sum is σ = 495630464. Its totient is φ = 70804344.

The previous prime is 212413037. The next prime is 212413049. The reversal of 212413044 is 440314212.

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

It is a super-2 number, since 2×212413044² = 90238602522691872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212413044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212413049) by changing a digit.

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, 8850532 + ... + 8850555.

Almost surely, 2^212413044 is an apocalyptic number.

It is an amenable number.

212413044 is an abundant number, since it is smaller than the sum of its proper divisors (283217420).

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

212413044 is a wasteful number, since it uses less digits than its factorization.

212413044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17701094 (or 17701092 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 212413044 is about 14574.3968657368. The cubic root of 212413044 is about 596.6601883688.

Adding to 212413044 its reverse (440314212), we get a palindrome (652727256).

The spelling of 212413044 in words is "two hundred twelve million, four hundred thirteen thousand, forty-four".