212220253 has 16 divisors (see below), whose sum is σ = 257040000. Its totient is φ = 171156672.

The previous prime is 212220247. The next prime is 212220259. The reversal of 212220253 is 352022212.

It is an interprime number because it is at equal distance from previous prime (212220247) and next prime (212220259).

It is a cyclic number.

It is not a de Polignac number, because 212220253 - 2⁹ = 212219741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 212220253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220259) 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, 14463 + ... + 25171.

It is an arithmetic number, because the mean of its divisors is an integer number (16065000).

Almost surely, 2^212220253 is an apocalyptic number.

It is an amenable number.

212220253 is a deficient number, since it is larger than the sum of its proper divisors (44819747).

212220253 is a wasteful number, since it uses less digits than its factorization.

212220253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10884.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 212220253 is about 14567.7813341634. The cubic root of 212220253 is about 596.4796195247.

Adding to 212220253 its reverse (352022212), we get a palindrome (564242465).

The spelling of 212220253 in words is "two hundred twelve million, two hundred twenty thousand, two hundred fifty-three".