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1200200120111 = 42011378120731
BaseRepresentation
bin10001011101110001100…
…000000111011100101111
311020201221000021021011102
4101131301200013130233
5124131002212320421
62315210405513315
7152466035460416
oct21356140073457
94221830237142
101200200120111
11423002751313
1217473471283b
1389241bb4885
1442138d3c47d
152134756a60b
hex1177180772f

1200200120111 has 8 divisors (see below), whose sum is σ = 1200630837648. Its totient is φ = 1199769480000.

The previous prime is 1200200120069. The next prime is 1200200120129. The reversal of 1200200120111 is 1110210020021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200200120111 - 26 = 1200200120047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200200120092 and 1200200120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200200120191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57883616 + ... + 57904346.

It is an arithmetic number, because the mean of its divisors is an integer number (150078854706).

Almost surely, 21200200120111 is an apocalyptic number.

1200200120111 is a deficient number, since it is larger than the sum of its proper divisors (430717537).

1200200120111 is a wasteful number, since it uses less digits than its factorization.

1200200120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38713.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1200200120111 its reverse (1110210020021), we get a palindrome (2310410140132).

The spelling of 1200200120111 in words is "one trillion, two hundred billion, two hundred million, one hundred twenty thousand, one hundred eleven".

Divisors: 1 4201 13781 20731 57893981 87090931 285693911 1200200120111