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1200211230030 = 235172353355353
BaseRepresentation
bin10001011101110010001…
…010011111110101001110
311020201221210011201002220
4101131302022133311032
5124131013033330110
62315211444000210
7152466232062021
oct21356212376516
94221853151086
101200211230030
11423008a4a36a
12174738390066
13892442a46a7
144213a5d11b8
1521348512370
hex1177229fd4e

1200211230030 has 32 divisors (see below), whose sum is σ = 3049948538784. Its totient is φ = 301229485056.

The previous prime is 1200211229969. The next prime is 1200211230041. The reversal of 1200211230030 is 300321120021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1200211229991 and 1200211230009.

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 15 ways as a sum of consecutive naturals, for example, 1176677167 + ... + 1176678186.

It is an arithmetic number, because the mean of its divisors is an integer number (95310891837).

Almost surely, 21200211230030 is an apocalyptic number.

1200211230030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200211230030 is an abundant number, since it is smaller than the sum of its proper divisors (1849737308754).

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

1200211230030 is a wasteful number, since it uses less digits than its factorization.

1200211230030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353355380.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1200211230030 its reverse (300321120021), we get a palindrome (1500532350051).

The spelling of 1200211230030 in words is "one trillion, two hundred billion, two hundred eleven million, two hundred thirty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 2353355353 4706710706 7060066059 11766776765 14120132118 23533553530 35300330295 40007041001 70600660590 80014082002 120021123003 200035205005 240042246006 400070410010 600105615015 1200211230030