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1200211331330 = 251137619476401
BaseRepresentation
bin10001011101110010001…
…010111000100100000010
311020201221210100212001202
4101131302022320210002
5124131013100100310
62315211450101202
7152466232663244
oct21356212704402
94221853325052
101200211331330
11423009009490
1217473841a802
138924430b82b
144213a61a094
15213485323a5
hex117722b8902

1200211331330 has 64 divisors (see below), whose sum is σ = 2424390721920. Its totient is φ = 423957888000.

The previous prime is 1200211331317. The next prime is 1200211331351. The reversal of 1200211331330 is 331331120021.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2281130 + ... + 2757530.

It is an arithmetic number, because the mean of its divisors is an integer number (37881105030).

Almost surely, 21200211331330 is an apocalyptic number.

1200211331330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200211331330 is an abundant number, since it is smaller than the sum of its proper divisors (1224179390590).

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

1200211331330 is a wasteful number, since it uses less digits than its factorization.

1200211331330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477075.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1200211331330 its reverse (331331120021), we get a palindrome (1531542451351).

The spelling of 1200211331330 in words is "one trillion, two hundred billion, two hundred eleven million, three hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 37 55 74 110 185 370 407 619 814 1238 2035 3095 4070 6190 6809 13618 22903 34045 45806 68090 114515 229030 251933 476401 503866 952802 1259665 2382005 2519330 4764010 5240411 10480822 17626837 26202055 35253674 52404110 88134185 176268370 193895207 294892219 387790414 589784438 969476035 1474461095 1938952070 2948922190 3243814409 6487628818 10911012103 16219072045 21822024206 32438144090 54555060515 109110121030 120021133133 240042266266 600105665665 1200211331330