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2010121210100 = 2252521122331547
BaseRepresentation
bin11101010000000100100…
…011111000100011110100
321010011110210200121002102
4131100010203320203310
5230413212012210400
64135234213401232
7265140451241153
oct35200443704364
97104423617072
102010121210100
11705540023833
122856a9639218
131177273b04a3
146d40cb6559a
153744b82e9d5
hex1d4048f88f4

2010121210100 has 72 divisors (see below), whose sum is σ = 4374047418048. Its totient is φ = 801823609600.

The previous prime is 2010121210063. The next prime is 2010121210117. The reversal of 2010121210100 is 10121210102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63702527 + ... + 63734073.

It is an arithmetic number, because the mean of its divisors is an integer number (60750658584).

Almost surely, 22010121210100 is an apocalyptic number.

2010121210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010121210100 is an abundant number, since it is smaller than the sum of its proper divisors (2363926207948).

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

2010121210100 is a wasteful number, since it uses less digits than its factorization.

2010121210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33305 (or 33298 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2010121210100 its reverse (10121210102), we get a palindrome (2020242420202).

The spelling of 2010121210100 in words is "two trillion, ten billion, one hundred twenty-one million, two hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 521 1042 1223 2084 2446 2605 4892 5210 6115 10420 12230 13025 24460 26050 30575 31547 52100 61150 63094 122300 126188 157735 315470 630940 637183 788675 1274366 1577350 2548732 3154700 3185915 6371830 12743660 15929575 16435987 31859150 32871974 38581981 63718300 65743948 77163962 82179935 154327924 164359870 192909905 328719740 385819810 410899675 771639620 821799350 964549525 1643598700 1929099050 3858198100 20101212101 40202424202 80404848404 100506060505 201012121010 402024242020 502530302525 1005060605050 2010121210100