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2010122121020 = 2251310667724781
BaseRepresentation
bin11101010000000100100…
…111010110111100111100
321010011110212101212122012
4131100010213112330330
5230413212230333040
64135234245110352
7265140462053666
oct35200447267474
97104425355565
102010122121020
11705540596162
122856a99b83b8
1311772763bcb0
146d40cd21536
153744b95e865
hex1d4049d6f3c

2010122121020 has 48 divisors (see below), whose sum is σ = 4546400933088. Its totient is φ = 742128334080.

The previous prime is 2010122120989. The next prime is 2010122121047. The reversal of 2010122121020 is 201212210102.

It is a junction number, because it is equal to n+sod(n) for n = 2010122120986 and 2010122121004.

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, 2411030 + ... + 3135810.

It is an arithmetic number, because the mean of its divisors is an integer number (94716686106).

Almost surely, 22010122121020 is an apocalyptic number.

2010122121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010122121020 is an abundant number, since it is smaller than the sum of its proper divisors (2536278812068).

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

2010122121020 is a wasteful number, since it uses less digits than its factorization.

2010122121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735470 (or 735468 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2010122121020 its reverse (201212210102), we get a palindrome (2211334331122).

The spelling of 2010122121020 in words is "two trillion, ten billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 10667 21334 42668 53335 106670 138671 213340 277342 554684 693355 724781 1386710 1449562 2773420 2899124 3623905 7247810 9422153 14495620 18844306 37688612 47110765 94221530 188443060 7731238927 15462477854 30924955708 38656194635 77312389270 100506106051 154624778540 201012212102 402024424204 502530530255 1005061060510 2010122121020