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10212110020020 = 22351216313993409
BaseRepresentation
bin1001010010011011000100…
…1100001010110110110100
31100011021020111122200202210
42110212301030022312310
52314303400131120040
633415213434533420
72102541414642156
oct224466114126664
940137214580683
1010212110020020
113287a27971527
12118b212b97270
13590cc83506cc
142743a96aaad6
1512a99161b480
hex949b130adb4

10212110020020 has 48 divisors (see below), whose sum is σ = 28596260992320. Its totient is φ = 2723005249536.

The previous prime is 10212110019959. The next prime is 10212110020033. The reversal of 10212110020020 is 2002001121201.

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

It is a junction number, because it is equal to n+sod(n) for n = 10212110019978 and 10212110020005.

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, 6266925 + ... + 7726484.

It is an arithmetic number, because the mean of its divisors is an integer number (595755437340).

Almost surely, 210212110020020 is an apocalyptic number.

10212110020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212110020020 is an abundant number, since it is smaller than the sum of its proper divisors (18384150972300).

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

10212110020020 is a wasteful number, since it uses less digits than its factorization.

10212110020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14005584 (or 14005582 counting only the distinct ones).

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

Adding to 10212110020020 its reverse (2002001121201), we get a palindrome (12214111141221).

The spelling of 10212110020020 in words is "ten trillion, two hundred twelve billion, one hundred ten million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 12163 24326 36489 48652 60815 72978 121630 145956 182445 243260 364890 729780 13993409 27986818 41980227 55973636 69967045 83960454 139934090 167920908 209901135 279868180 419802270 839604540 170201833667 340403667334 510605501001 680807334668 851009168335 1021211002002 1702018336670 2042422004004 2553027505005 3404036673340 5106055010010 10212110020020