1222020030000 has 800 divisors, whose sum is σ = 4945533322752. Its totient is φ = 252518400000.

The previous prime is 1222020029999. The next prime is 1222020030017. The reversal of 1222020030000 is 300202221.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 159 ways as a sum of consecutive naturals, for example, 445828630 + ... + 445831370.

Almost surely, 2^{1222020030000} is an apocalyptic number.

1222020030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222020030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2472766661376).

1222020030000 is an abundant number, since it is smaller than the sum of its proper divisors (3723513292752).

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

1222020030000 is a wasteful number, since it uses less digits than its factorization.

1222020030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983 (or 2962 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 1222020030000 its reverse (300202221), we get a palindrome (1222320232221).

The spelling of 1222020030000 in words is "one trillion, two hundred twenty-two billion, twenty million, thirty thousand".