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1201200200000 = 265520272963
BaseRepresentation
bin10001011110101101000…
…111000111100101000000
311020211111201002120212022
4101132231013013211000
5124140024222400000
62315453533021012
7152532601143263
oct21365507074500
94224451076768
101201200200000
1142347621a119
12174973624768
138937114c218
14421d1aaacda
15213a5265585
hex117ad1c7940

1201200200000 has 168 divisors, whose sum is σ = 2981824713504. Its totient is φ = 480080960000.

The previous prime is 1201200199949. The next prime is 1201200200069. The reversal of 1201200200000 is 20021021.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 405398519 + ... + 405401481.

It is an arithmetic number, because the mean of its divisors is an integer number (17748956628).

Almost surely, 21201200200000 is an apocalyptic number.

1201200200000 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 1201200200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490912356752).

1201200200000 is an abundant number, since it is smaller than the sum of its proper divisors (1780624513504).

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

1201200200000 is an frugal number, since it uses more digits than its factorization.

1201200200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027 (or 4997 counting only the distinct ones).

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

Adding to 1201200200000 its reverse (20021021), we get a palindrome (1201220221021).

The spelling of 1201200200000 in words is "one trillion, two hundred one billion, two hundred million, two hundred thousand".