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10012122101020 = 22513195599196873
BaseRepresentation
bin1001000110110010000011…
…1110110011010100011100
31022110011001000002210021211
42101230200332303110130
52303014311224213040
633143301055434204
72052231501452554
oct221544076632434
938404030083254
1010012122101020
113210131a01a26
1211584bb525964
135781a66a1370
14268837052164
151256892818ea
hex91b20fb351c

10012122101020 has 48 divisors (see below), whose sum is σ = 22643029987200. Its totient is φ = 3696745867776.

The previous prime is 10012122100997. The next prime is 10012122101027. The reversal of 10012122101020 is 2010122121001.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012122101027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50757304 + ... + 50954176.

It is an arithmetic number, because the mean of its divisors is an integer number (471729791400).

Almost surely, 210012122101020 is an apocalyptic number.

10012122101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012122101020 is an abundant number, since it is smaller than the sum of its proper divisors (12630907886180).

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

10012122101020 is a wasteful number, since it uses less digits than its factorization.

10012122101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392494 (or 392492 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10012122101020 its reverse (2010122121001), we get a palindrome (12022244222021).

The spelling of 10012122101020 in words is "ten trillion, twelve billion, one hundred twenty-two million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 195599 196873 391198 393746 782396 787492 977995 984365 1955990 1968730 2542787 2559349 3911980 3937460 5085574 5118698 10171148 10237396 12713935 12796745 25427870 25593490 50855740 51186980 38508161927 77016323854 154032647708 192540809635 385081619270 500606105051 770163238540 1001212210102 2002424420204 2503030525255 5006061050510 10012122101020