1220313324120 has 128 divisors (see below), whose sum is σ = 4061443680000. Its totient is φ = 290819386880.

The previous prime is 1220313324073. The next prime is 1220313324149. The reversal of 1220313324120 is 214233130221.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 in 31 ways as a sum of consecutive naturals, for example, 7756695 + ... + 7912454.

It is an arithmetic number, because the mean of its divisors is an integer number (31730028750).

Almost surely, 2^{1220313324120} is an apocalyptic number.

1220313324120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220313324120 is an abundant number, since it is smaller than the sum of its proper divisors (2841130355880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220313324120 is a wasteful number, since it uses less digits than its factorization.

1220313324120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15669233 (or 15669229 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1220313324120 its reverse (214233130221), we get a palindrome (1434546454341).

The spelling of 1220313324120 in words is "one trillion, two hundred twenty billion, three hundred thirteen million, three hundred twenty-four thousand, one hundred twenty".