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2010122211222 = 233531279549139
BaseRepresentation
bin11101010000000100100…
…111101100111110010110
321010011110212120110101000
4131100010213230332112
5230413212241224342
64135234251044130
7265140462610656
oct35200447547626
97104425513330
102010122211222
11705540647a04
122856a9a40646
13117727671078
146d40cd46366
153744b97b44c
hex1d4049ecf96

2010122211222 has 64 divisors (see below), whose sum is σ = 4554786816000. Its totient is φ = 656883268704.

The previous prime is 2010122211199. The next prime is 2010122211241. The reversal of 2010122211222 is 2221122210102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2010122211195 and 2010122211204.

It is a congruent number.

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, 3385929 + ... + 3935067.

It is an arithmetic number, because the mean of its divisors is an integer number (71168544000).

Almost surely, 22010122211222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2010122211222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2277393408000).

2010122211222 is an abundant number, since it is smaller than the sum of its proper divisors (2544664604778).

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

2010122211222 is a wasteful number, since it uses less digits than its factorization.

2010122211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550482 (or 550476 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2010122211222 its reverse (2221122210102), we get a palindrome (4231244421324).

The spelling of 2010122211222 in words is "two trillion, ten billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 53 54 106 159 318 477 954 1279 1431 2558 2862 3837 7674 11511 23022 34533 67787 69066 135574 203361 406722 549139 610083 1098278 1220166 1647417 1830249 3294834 3660498 4942251 9884502 14826753 29104367 29653506 58208734 87313101 174626202 261939303 523878606 702348781 785817909 1404697562 1571635818 2107046343 4214092686 6321139029 12642278058 18963417087 37224485393 37926834174 74448970786 111673456179 223346912358 335020368537 670040737074 1005061105611 2010122211222