212302101 has 16 divisors (see below), whose sum is σ = 311865408. Its totient is φ = 127392000.

The previous prime is 212302099. The next prime is 212302109. The reversal of 212302101 is 101203212.

It is not a de Polignac number, because 212302101 - 2¹ = 212302099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212302109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28516 + ... + 35181.

It is an arithmetic number, because the mean of its divisors is an integer number (19491588).

Almost surely, 2^212302101 is an apocalyptic number.

It is an amenable number.

212302101 is a deficient number, since it is larger than the sum of its proper divisors (99563307).

212302101 is a wasteful number, since it uses less digits than its factorization.

212302101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63812.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 212302101 is about 14570.5902763066. The cubic root of 212302101 is about 596.5562920513.

Adding to 212302101 its reverse (101203212), we get a palindrome (313505313).

The spelling of 212302101 in words is "two hundred twelve million, three hundred two thousand, one hundred one".