1220301232 has 40 divisors (see below), whose sum is σ = 2422005696. Its totient is φ = 595347456.

The previous prime is 1220301221. The next prime is 1220301241. The reversal of 1220301232 is 2321030221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263158 + ... + 267754.

Almost surely, 2^1220301232 is an apocalyptic number.

It is an amenable number.

1220301232 is a deficient number, since it is larger than the sum of its proper divisors (1201704464).

1220301232 is a wasteful number, since it uses less digits than its factorization.

1220301232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005 (or 4999 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1220301232 is about 34932.8102505367. The cubic root of 1220301232 is about 1068.6176669958.

Adding to 1220301232 its reverse (2321030221), we get a palindrome (3541331453).

The spelling of 1220301232 in words is "one billion, two hundred twenty million, three hundred one thousand, two hundred thirty-two".