Search a number
-
+
1201240200000 = 2635512011667
BaseRepresentation
bin10001011110101111011…
…111101101001101000000
311020211121111100210112210
4101132233133231031000
5124140114442400000
62315501522222120
7152533565141331
oct21365737551500
94224544323483
101201240200000
1142349685a775
12174984ab4940
1389379515a69
14421d7120288
15213a8a17350
hex117af7ed340

1201240200000 has 336 divisors, whose sum is σ = 3978290248128. Its totient is φ = 319872000000.

The previous prime is 1201240199881. The next prime is 1201240200019. The reversal of 1201240200000 is 20421021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 720599167 + ... + 720600833.

It is an arithmetic number, because the mean of its divisors is an integer number (11840149548).

Almost surely, 21201240200000 is an apocalyptic number.

1201240200000 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 1201240200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1989145124064).

1201240200000 is an abundant number, since it is smaller than the sum of its proper divisors (2777050048128).

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

1201240200000 is an equidigital number, since it uses as much as digits as its factorization.

1201240200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 2878 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1201240200000 its reverse (20421021), we get a palindrome (1201260621021).

The spelling of 1201240200000 in words is "one trillion, two hundred one billion, two hundred forty million, two hundred thousand".