1220223103000 has 64 divisors (see below), whose sum is σ = 3114896821920. Its totient is φ = 443717488000.

The previous prime is 1220223102929. The next prime is 1220223103009. The reversal of 1220223103000 is 3013220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220223103009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55453687 + ... + 55475686.

Almost surely, 2^{1220223103000} is an apocalyptic number.

1220223103000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220223103000 is an abundant number, since it is smaller than the sum of its proper divisors (1894673718920).

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

1220223103000 is a wasteful number, since it uses less digits than its factorization.

1220223103000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110929405 (or 110929391 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1220223103000 its reverse (3013220221), we get a palindrome (1223236323221).

The spelling of 1220223103000 in words is "one trillion, two hundred twenty billion, two hundred twenty-three million, one hundred three thousand".