1220323113210 has 32 divisors (see below), whose sum is σ = 2930240736000. Its totient is φ = 325256689728.

The previous prime is 1220323113167. The next prime is 1220323113241. The reversal of 1220323113210 is 123113230221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10114477 + ... + 10234416.

It is an arithmetic number, because the mean of its divisors is an integer number (91570023000).

Almost surely, 2^{1220323113210} is an apocalyptic number.

1220323113210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220323113210 is an abundant number, since it is smaller than the sum of its proper divisors (1709917622790).

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

1220323113210 is a wasteful number, since it uses less digits than its factorization.

1220323113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20350902.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1220323113210 its reverse (123113230221), we get a palindrome (1343436343431).

The spelling of 1220323113210 in words is "one trillion, two hundred twenty billion, three hundred twenty-three million, one hundred thirteen thousand, two hundred ten".