1210221214 has 16 divisors (see below), whose sum is σ = 1938510720. Its totient is φ = 565397280.

The previous prime is 1210221203. The next prime is 1210221241. The reversal of 1210221214 is 4121220121.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 334749 + ... + 338344.

It is an arithmetic number, because the mean of its divisors is an integer number (121156920).

Almost surely, 2^1210221214 is an apocalyptic number.

1210221214 is a deficient number, since it is larger than the sum of its proper divisors (728289506).

1210221214 is a wasteful number, since it uses less digits than its factorization.

1210221214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673155.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1210221214 is about 34788.2338442181. The cubic root of 1210221214 is about 1065.6671711383.

Adding to 1210221214 its reverse (4121220121), we get a palindrome (5331441335).

The spelling of 1210221214 in words is "one billion, two hundred ten million, two hundred twenty-one thousand, two hundred fourteen".