1220211352 has 16 divisors (see below), whose sum is σ = 2319238440. Its totient is φ = 601747776.

The previous prime is 1220211313. The next prime is 1220211353. The reversal of 1220211352 is 2531120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220211353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044118 + ... + 1045285.

Almost surely, 2^1220211352 is an apocalyptic number.

It is an amenable number.

1220211352 is a deficient number, since it is larger than the sum of its proper divisors (1099027088).

1220211352 is a wasteful number, since it uses less digits than its factorization.

1220211352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089482 (or 2089478 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1220211352 is about 34931.5237572025. The cubic root of 1220211352 is about 1068.5914303826.

Adding to 1220211352 its reverse (2531120221), we get a palindrome (3751331573).

The spelling of 1220211352 in words is "one billion, two hundred twenty million, two hundred eleven thousand, three hundred fifty-two".