1220331123300 has 72 divisors (see below), whose sum is σ = 3580554704832. Its totient is φ = 320838224000.

The previous prime is 1220331123199. The next prime is 1220331123331. The reversal of 1220331123300 is 33211330221.

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 23 ways as a sum of consecutive naturals, for example, 28624971 + ... + 28667570.

It is an arithmetic number, because the mean of its divisors is an integer number (49729926456).

Almost surely, 2^{1220331123300} is an apocalyptic number.

1220331123300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220331123300 is an abundant number, since it is smaller than the sum of its proper divisors (2360223581532).

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

1220331123300 is a wasteful number, since it uses less digits than its factorization.

1220331123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57292629 (or 57292622 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1220331123300 its reverse (33211330221), we get a palindrome (1253542453521).

The spelling of 1220331123300 in words is "one trillion, two hundred twenty billion, three hundred thirty-one million, one hundred twenty-three thousand, three hundred".