1220323302232 has 32 divisors (see below), whose sum is σ = 2321017574400. Its totient is φ = 601411603104.

The previous prime is 1220323302181. The next prime is 1220323302239. The reversal of 1220323302232 is 2322033230221.

It is a junction number, because it is equal to n+sod(n) for n = 1220323302197 and 1220323302206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220323302239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273728 + ... + 2015695.

It is an arithmetic number, because the mean of its divisors is an integer number (72531799200).

Almost surely, 2^{1220323302232} is an apocalyptic number.

It is an amenable number.

1220323302232 is a deficient number, since it is larger than the sum of its proper divisors (1100694272168).

1220323302232 is a wasteful number, since it uses less digits than its factorization.

1220323302232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290095 (or 3290091 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 1220323302232 its reverse (2322033230221), we get a palindrome (3542356532453).

The spelling of 1220323302232 in words is "one trillion, two hundred twenty billion, three hundred twenty-three million, three hundred two thousand, two hundred thirty-two".