1202200021120 has 256 divisors, whose sum is σ = 3359145012480. Its totient is φ = 402926469120.

The previous prime is 1202200021097. The next prime is 1202200021129. The reversal of 1202200021120 is 211200022021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202200021120.

It is not an unprimeable number, because it can be changed into a prime (1202200021129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36939255 + ... + 36971785.

It is an arithmetic number, because the mean of its divisors is an integer number (13121660205).

Almost surely, 2^{1202200021120} is an apocalyptic number.

1202200021120 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 1202200021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679572506240).

1202200021120 is an abundant number, since it is smaller than the sum of its proper divisors (2156944991360).

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

1202200021120 is a wasteful number, since it uses less digits than its factorization.

1202200021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32743 (or 32731 counting only the distinct ones).

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

Adding to 1202200021120 its reverse (211200022021), we get a palindrome (1413400043141).

Subtracting from 1202200021120 its reverse (211200022021), we obtain a palindrome (990999999099).

The spelling of 1202200021120 in words is "one trillion, two hundred two billion, two hundred million, twenty-one thousand, one hundred twenty".