1022212201200 has 60 divisors (see below), whose sum is σ = 3274486421688. Its totient is φ = 272589920000.

The previous prime is 1022212201189. The next prime is 1022212201229. The reversal of 1022212201200 is 21022122201.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1022212201200.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 425920551 + ... + 425922950.

Almost surely, 2^{1022212201200} is an apocalyptic number.

1022212201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022212201200 is an abundant number, since it is smaller than the sum of its proper divisors (2252274220488).

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

1022212201200 is a wasteful number, since it uses less digits than its factorization.

1022212201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851843522 (or 851843511 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1022212201200 its reverse (21022122201), we get a palindrome (1043234323401).

The spelling of 1022212201200 in words is "one trillion, twenty-two billion, two hundred twelve million, two hundred one thousand, two hundred".