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201021212120002 = 2676449232618747
BaseRepresentation
bin101101101101001111100101…
…111100001101001111000010
3222100202102212220101211100121
4231231033211330031033002
5202322012420300320002
61551311511525210454
760225206014155151
oct5555174574151702
9870672786354317
10201021212120002
11590626876a1a2a
121a667311260a2a
1388222b00ab301
14378d69b319598
151839052ba3237
hexb6d3e5f0d3c2

201021212120002 has 16 divisors (see below), whose sum is σ = 306079748618400. Its totient is φ = 98995094497728.

The previous prime is 201021212119961. The next prime is 201021212120051. The reversal of 201021212120002 is 200021212120102.

It is a happy number.

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, 115445208 + ... + 117173539.

It is an arithmetic number, because the mean of its divisors is an integer number (19129984288650).

Almost surely, 2201021212120002 is an apocalyptic number.

201021212120002 is a deficient number, since it is larger than the sum of its proper divisors (105058536498398).

201021212120002 is a wasteful number, since it uses less digits than its factorization.

201021212120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232625265.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201021212120002 its reverse (200021212120102), we get a palindrome (401042424240104).

The spelling of 201021212120002 in words is "two hundred one trillion, twenty-one billion, two hundred twelve million, one hundred twenty thousand, two".

Divisors: 1 2 67 134 6449 12898 432083 864166 232618747 465237494 15585456049 31170912098 1500158299403 3000316598806 100510606060001 201021212120002