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121210201000210 = 25767714091815271
BaseRepresentation
bin11011100011110101110010…
…111110010100100100010010
3120220011120201022110122111111
4123203311302332110210102
5111341401442424001320
61105443110404203534
734350101530023460
oct3343656276244422
9526146638418444
10121210201000210
1135691a59580793
12117174230995aa
1352830c424947a
1421d08682bd830
15e02e4eba4a5a
hex6e3d72f94912

121210201000210 has 64 divisors (see below), whose sum is σ = 249892376624640. Its totient is φ = 41466924195840.

The previous prime is 121210201000181. The next prime is 121210201000223. The reversal of 121210201000210 is 12000102012121.

It is a super-2 number, since 2×1212102010002102 (a number of 29 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, 65864875 + ... + 67680145.

It is an arithmetic number, because the mean of its divisors is an integer number (3904568384760).

Almost surely, 2121210201000210 is an apocalyptic number.

121210201000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121210201000210 is an abundant number, since it is smaller than the sum of its proper divisors (128682175624430).

121210201000210 is a wasteful number, since it uses less digits than its factorization.

121210201000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817371.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121210201000210 its reverse (12000102012121), we get a palindrome (133210303012331).

The spelling of 121210201000210 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred one million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 5 7 10 14 35 70 677 1354 1409 2818 3385 4739 6770 7045 9478 9863 14090 19726 23695 47390 49315 98630 953893 1815271 1907786 3630542 4769465 6677251 9076355 9538930 12706897 13354502 18152710 25413794 33386255 63534485 66772510 127068970 1228938467 2457876934 2557716839 5115433678 6144692335 8602569269 12289384670 12788584195 17205138538 17904017873 25577168390 35808035746 43012846345 86025692690 89520089365 179040178730 1731574300003 3463148600006 8657871500015 12121020100021 17315743000030 24242040200042 60605100500105 121210201000210