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1212112102002 = 232310782088047
BaseRepresentation
bin10001101000110111100…
…000101110001001110010
311021212200011202122100220
4101220313200232021302
5124324401144231002
62324500412553510
7153400160604534
oct21506740561162
94255604678326
101212112102002
1142806575564a
12176ab9a82896
138a3bca3c579
1442948da7854
15217e32017bc
hex11a3782e272

1212112102002 has 32 divisors (see below), whose sum is σ = 2553266644992. Its totient is φ = 382858646544.

The previous prime is 1212112101929. The next prime is 1212112102013. The reversal of 1212112102002 is 2002012112121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41029258 + ... + 41058789.

It is an arithmetic number, because the mean of its divisors is an integer number (79789582656).

Almost surely, 21212112102002 is an apocalyptic number.

1212112102002 is an abundant number, since it is smaller than the sum of its proper divisors (1341154542990).

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

1212112102002 is a wasteful number, since it uses less digits than its factorization.

1212112102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82088182.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212112102002 its reverse (2002012112121), we get a palindrome (3214124214123).

The spelling of 1212112102002 in words is "one trillion, two hundred twelve billion, one hundred twelve million, one hundred two thousand, two".

Divisors: 1 2 3 6 23 46 69 107 138 214 321 642 2461 4922 7383 14766 82088047 164176094 246264141 492528282 1888025081 3776050162 5664075243 8783421029 11328150486 17566842058 26350263087 52700526174 202018683667 404037367334 606056051001 1212112102002