1002212201200 has 120 divisors (see below), whose sum is σ = 2759721259392. Its totient is φ = 342625032960.

The previous prime is 1002212201197. The next prime is 1002212201201. The reversal of 1002212201200 is 21022122001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002212201201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455847 + ... + 1487353.

Almost surely, 2^{1002212201200} is an apocalyptic number.

1002212201200 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 1002212201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379860629696).

1002212201200 is an abundant number, since it is smaller than the sum of its proper divisors (1757509058192).

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

1002212201200 is a wasteful number, since it uses less digits than its factorization.

1002212201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031879 (or 1031868 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1002212201200 its reverse (21022122001), we get a palindrome (1023234323201).

The spelling of 1002212201200 in words is "one trillion, two billion, two hundred twelve million, two hundred one thousand, two hundred".