1200201332220 has 288 divisors, whose sum is σ = 4030211727360. Its totient is φ = 286670638080.

The previous prime is 1200201332149. The next prime is 1200201332269. The reversal of 1200201332220 is 222331020021.

1200201332220 is a `hidden beast` number, since 120 + 0 + 201 + 3 + 322 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1200201332193 and 1200201332202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 157111161 + ... + 157118799.

It is an arithmetic number, because the mean of its divisors is an integer number (13993790720).

Almost surely, 2^{1200201332220} is an apocalyptic number.

1200201332220 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 1200201332220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2015105863680).

1200201332220 is an abundant number, since it is smaller than the sum of its proper divisors (2830010395140).

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

1200201332220 is a wasteful number, since it uses less digits than its factorization.

1200201332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8825 (or 8820 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1200201332220 its reverse (222331020021), we get a palindrome (1422532352241).

The spelling of 1200201332220 in words is "one trillion, two hundred billion, two hundred one million, three hundred thirty-two thousand, two hundred twenty".