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101220201210 = 23510133406007
BaseRepresentation
bin101111001000100110…
…0011011001011111010
3100200021012122222122010
41132101030123023322
53124244332414320
6114255552110350
710212221341302
oct1362114331372
9320235588563
10101220201210
1139a2218a357
121774a5353b6
139711557aab
144c8312c602
152976415ae0
hex179131b2fa

101220201210 has 32 divisors (see below), whose sum is σ = 245333722752. Its totient is φ = 26724804800.

The previous prime is 101220201179. The next prime is 101220201233. The reversal of 101220201210 is 12102022101.

It is a super-3 number, since 3×1012202012103 (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16699974 + ... + 16706033.

It is an arithmetic number, because the mean of its divisors is an integer number (7666678836).

Almost surely, 2101220201210 is an apocalyptic number.

101220201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220201210 is an abundant number, since it is smaller than the sum of its proper divisors (144113521542).

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

101220201210 is a wasteful number, since it uses less digits than its factorization.

101220201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33406118.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101220201210 its reverse (12102022101), we get a palindrome (113322223311).

The spelling of 101220201210 in words is "one hundred one billion, two hundred twenty million, two hundred one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 101 202 303 505 606 1010 1515 3030 33406007 66812014 100218021 167030035 200436042 334060070 501090105 1002180210 3374006707 6748013414 10122020121 16870033535 20244040242 33740067070 50610100605 101220201210