212102153 has 2 divisors, whose sum is σ = 212102154. Its totient is φ = 212102152.

The previous prime is 212102089. The next prime is 212102161. The reversal of 212102153 is 351201212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146216464 + 65885689 = 12092^2 + 8117^2 .

It is a cyclic number.

It is not a de Polignac number, because 212102153 - 2⁶ = 212102089 is a prime.

It is not a weakly prime, because it can be changed into another prime (212132153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051076 + 106051077.

It is an arithmetic number, because the mean of its divisors is an integer number (106051077).

Almost surely, 2^212102153 is an apocalyptic number.

It is an amenable number.

212102153 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102153 is an equidigital number, since it uses as much as digits as its factorization.

212102153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 212102153 is about 14563.7273045055. The cubic root of 212102153 is about 596.3689525589.

Adding to 212102153 its reverse (351201212), we get a palindrome (563303365).

The spelling of 212102153 in words is "two hundred twelve million, one hundred two thousand, one hundred fifty-three".