1220102200000 has 84 divisors (see below), whose sum is σ = 3026232183744. Its totient is φ = 488040800000.

The previous prime is 1220102199971. The next prime is 1220102200013. The reversal of 1220102200000 is 22010221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 1220102200000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2850256 + ... + 3250255.

It is an arithmetic number, because the mean of its divisors is an integer number (36026573616).

Almost surely, 2^{1220102200000} is an apocalyptic number.

1220102200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220102200000 is an abundant number, since it is smaller than the sum of its proper divisors (1806129983744).

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

1220102200000 is an frugal number, since it uses more digits than its factorization.

1220102200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100548 (or 6100518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1220102200000 its reverse (22010221), we get a palindrome (1220124210221).

The spelling of 1220102200000 in words is "one trillion, two hundred twenty billion, one hundred two million, two hundred thousand".