1220331010324 has 6 divisors (see below), whose sum is σ = 2135579268074. Its totient is φ = 610165505160.

The previous prime is 1220331010279. The next prime is 1220331010337. The reversal of 1220331010324 is 4230101330221.

It can be written as a sum of positive squares in only one way, i.e., 1214514202500 + 5816807824 = 1102050^2 + 76268^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1220331010295 and 1220331010304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152541376287 + ... + 152541376294.

Almost surely, 2^{1220331010324} is an apocalyptic number.

It is an amenable number.

1220331010324 is a deficient number, since it is larger than the sum of its proper divisors (915248257750).

1220331010324 is a wasteful number, since it uses less digits than its factorization.

1220331010324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305082752585 (or 305082752583 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1220331010324 its reverse (4230101330221), we get a palindrome (5450432340545).

The spelling of 1220331010324 in words is "one trillion, two hundred twenty billion, three hundred thirty-one million, ten thousand, three hundred twenty-four".