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20210012101200 = 2435216841676751
BaseRepresentation
bin1001001100001100000101…
…00101111001101001010000
32122120001120111021122000010
410212012002211321221100
510122110101044214300
6110552203522154520
74154060640311205
oct446060245715120
978501514248003
1020210012101200
116492021a59039
122324a041b2a40
13b37a4696943c
144dc253d31cac
15250a972a8a50
hex126182979a50

20210012101200 has 60 divisors (see below), whose sum is σ = 64739405434688. Its totient is φ = 5389336560000.

The previous prime is 20210012101187. The next prime is 20210012101207. The reversal of 20210012101200 is 210121001202.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210012101207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8420837176 + ... + 8420839575.

Almost surely, 220210012101200 is an apocalyptic number.

20210012101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210012101200 is an abundant number, since it is smaller than the sum of its proper divisors (44529393333488).

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

20210012101200 is a wasteful number, since it uses less digits than its factorization.

20210012101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16841676772 (or 16841676761 counting only the distinct ones).

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

Adding to 20210012101200 its reverse (210121001202), we get a palindrome (20420133102402).

The spelling of 20210012101200 in words is "twenty trillion, two hundred ten billion, twelve million, one hundred one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 16841676751 33683353502 50525030253 67366707004 84208383755 101050060506 134733414008 168416767510 202100121012 252625151265 269466828016 336833535020 404200242024 421041918775 505250302530 673667070040 808400484048 842083837550 1010500605060 1263125756325 1347334140080 1684167675100 2021001210120 2526251512650 3368335350200 4042002420240 5052503025300 6736670700400 10105006050600 20210012101200