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1201210011210 = 235116754328811
BaseRepresentation
bin10001011110101101101…
…100100010111001001010
311020211112101120001022110
4101132231230202321022
5124140034230324320
62315454523203150
7152533050425346
oct21365554427112
94224471501273
101201210011210
11423480810460
121749769764b6
13893731a5b81
14421d3102626
15213a60525e0
hex117adb22e4a

1201210011210 has 64 divisors (see below), whose sum is σ = 3191926362624. Its totient is φ = 286856116800.

The previous prime is 1201210011187. The next prime is 1201210011227. The reversal of 1201210011210 is 121100121021.

It is a super-2 number, since 2×12012100112102 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27142296 + ... + 27186515.

It is an arithmetic number, because the mean of its divisors is an integer number (49873849416).

Almost surely, 21201210011210 is an apocalyptic number.

1201210011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201210011210 is an abundant number, since it is smaller than the sum of its proper divisors (1990716351414).

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

1201210011210 is a wasteful number, since it uses less digits than its factorization.

1201210011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54328899.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1201210011210 its reverse (121100121021), we get a palindrome (1322310132231).

The spelling of 1201210011210 in words is "one trillion, two hundred one billion, two hundred ten million, eleven thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 67 110 134 165 201 330 335 402 670 737 1005 1474 2010 2211 3685 4422 7370 11055 22110 54328811 108657622 162986433 271644055 325972866 543288110 597616921 814932165 1195233842 1629864330 1792850763 2988084605 3585701526 3640030337 5976169210 7280060674 8964253815 10920091011 17928507630 18200151685 21840182022 36400303370 40040333707 54600455055 80080667414 109200910110 120121001121 200201668535 240242002242 400403337070 600605005605 1201210011210