1201202110000 has 100 divisors (see below), whose sum is σ = 2945045408800. Its totient is φ = 474398496000.

The previous prime is 1201202109997. The next prime is 1201202110007. The reversal of 1201202110000 is 112021021.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1201202110007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29746 + ... + 1550254.

It is an arithmetic number, because the mean of its divisors is an integer number (29450454088).

Almost surely, 2^{1201202110000} is an apocalyptic number.

1201202110000 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 1201202110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472522704400).

1201202110000 is an abundant number, since it is smaller than the sum of its proper divisors (1743843298800).

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

1201202110000 is an equidigital number, since it uses as much as digits as its factorization.

1201202110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520616 (or 1520595 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1201202110000 its reverse (112021021), we get a palindrome (1201314131021).

It can be divided in two parts, 12012021 and 10000, that added together give a palindrome (12022021).

The spelling of 1201202110000 in words is "one trillion, two hundred one billion, two hundred two million, one hundred ten thousand".