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20212002001212 = 22372138311252821
BaseRepresentation
bin1001001100001111110010…
…01100110001000100111100
32122120020201011122000122120
410212013321030301010330
510122123140003014322
6110553133204442540
74154161152216030
oct446077114610474
978506634560576
1020212002001212
1164929532273aa
12232527a6a9450
13b37ca2cb8578
144dc3a231c1c0
15250b61d23a5c
hex1261f933113c

20212002001212 has 48 divisors (see below), whose sum is σ = 53901197425152. Its totient is φ = 5774587133760.

The previous prime is 20212002001187. The next prime is 20212002001223. The reversal of 20212002001212 is 21210020021202.

It is a super-3 number, since 3×202120020012123 (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20212002001191 and 20212002001200.

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, 3830239 + ... + 7422582.

It is an arithmetic number, because the mean of its divisors is an integer number (1122941613024).

Almost surely, 220212002001212 is an apocalyptic number.

It is an amenable number.

20212002001212 is an abundant number, since it is smaller than the sum of its proper divisors (33689195423940).

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

20212002001212 is a wasteful number, since it uses less digits than its factorization.

20212002001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11274218 (or 11274216 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20212002001212 its reverse (21210020021202), we get a palindrome (41422022022414).

The spelling of 20212002001212 in words is "twenty trillion, two hundred twelve billion, two million, one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 21383 42766 64149 85532 128298 149681 256596 299362 449043 598724 898086 1796172 11252821 22505642 33758463 45011284 67516926 78769747 135033852 157539494 236309241 315078988 472618482 945236964 240619071443 481238142886 721857214329 962476285772 1443714428658 1684333500101 2887428857316 3368667000202 5053000500303 6737334000404 10106001000606 20212002001212