1220120302000 has 80 divisors (see below), whose sum is σ = 3105527349600. Its totient is φ = 462361363200.

The previous prime is 1220120301979. The next prime is 1220120302013. The reversal of 1220120302000 is 2030210221.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 16016215 + ... + 16092214.

It is an arithmetic number, because the mean of its divisors is an integer number (38819091870).

Almost surely, 2^{1220120302000} is an apocalyptic number.

1220120302000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220120302000 is an abundant number, since it is smaller than the sum of its proper divisors (1885407047600).

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

1220120302000 is a wasteful number, since it uses less digits than its factorization.

1220120302000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32108471 (or 32108455 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1220120302000 its reverse (2030210221), we get a palindrome (1222150512221).

The spelling of 1220120302000 in words is "one trillion, two hundred twenty billion, one hundred twenty million, three hundred two thousand".