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1001200012210 = 25239418912139
BaseRepresentation
bin11101001000111000010…
…10111100101110110010
310112201021100110100202201
432210130022330232302
5112400424200342320
62043540034533414
7132222445454626
oct16443412745662
93481240410681
101001200012210
1135667433a922
12142057a3726a
1373549a95738
143665b97b186
151b09bca570a
hexe91c2bcbb2

1001200012210 has 16 divisors (see below), whose sum is σ = 1809700444800. Its totient is φ = 398804355376.

The previous prime is 1001200012157. The next prime is 1001200012223. The reversal of 1001200012210 is 122100021001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209453680 + ... + 209458459.

It is an arithmetic number, because the mean of its divisors is an integer number (113106277800).

Almost surely, 21001200012210 is an apocalyptic number.

1001200012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001200012210 is a deficient number, since it is larger than the sum of its proper divisors (808500432590).

1001200012210 is a wasteful number, since it uses less digits than its factorization.

1001200012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418912385.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1001200012210 its reverse (122100021001), we get a palindrome (1123300033211).

The spelling of 1001200012210 in words is "one trillion, one billion, two hundred million, twelve thousand, two hundred ten".

Divisors: 1 2 5 10 239 478 1195 2390 418912139 837824278 2094560695 4189121390 100120001221 200240002442 500600006105 1001200012210