212302044 has 18 divisors (see below), whose sum is σ = 536652480. Its totient is φ = 70767336.

The previous prime is 212302037. The next prime is 212302049. The reversal of 212302044 is 440203212.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212302049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2948604 + ... + 2948675.

Almost surely, 2^212302044 is an apocalyptic number.

It is an amenable number.

212302044 is an abundant number, since it is smaller than the sum of its proper divisors (324350436).

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

212302044 is a wasteful number, since it uses less digits than its factorization.

212302044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897289 (or 5897284 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 212302044 is about 14570.5883203116. The cubic root of 212302044 is about 596.5562386624.

Adding to 212302044 its reverse (440203212), we get a palindrome (652505256).

The spelling of 212302044 in words is "two hundred twelve million, three hundred two thousand, forty-four".