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2122010001012 = 2231120877702843
BaseRepresentation
bin11110111000010001101…
…001101111111001110100
321111212021112012002111110
4132320101221233321310
5234231334030013022
64302500554435020
7306211246254516
oct36702151577164
97455245162443
102122010001012
11748a37363470
122a3314a32a70
13125148cb7c45
14749c4b35bb6
153a2e966e00c
hex1ee11a6fe74

2122010001012 has 48 divisors (see below), whose sum is σ = 5404068859392. Its totient is φ = 642725136480.

The previous prime is 2122010000989. The next prime is 2122010001029. The reversal of 2122010001012 is 2101000102212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 3575938 + ... + 4126905.

It is an arithmetic number, because the mean of its divisors is an integer number (112584767904).

Almost surely, 22122010001012 is an apocalyptic number.

2122010001012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2122010001012 is an abundant number, since it is smaller than the sum of its proper divisors (3282058858380).

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

2122010001012 is a wasteful number, since it uses less digits than its factorization.

2122010001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7704948 (or 7704946 counting only the distinct ones).

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

Adding to 2122010001012 its reverse (2101000102212), we get a palindrome (4223010103224).

The spelling of 2122010001012 in words is "two trillion, one hundred twenty-two billion, ten million, one thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 2087 4174 6261 8348 12522 22957 25044 45914 68871 91828 137742 275484 7702843 15405686 23108529 30811372 46217058 84731273 92434116 169462546 254193819 338925092 508387638 1016775276 16075833341 32151666682 48227500023 64303333364 96455000046 176834166751 192910000092 353668333502 530502500253 707336667004 1061005000506 2122010001012