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102102010001212 = 221343115492941049
BaseRepresentation
bin10111001101110001111010…
…000010010111011100111100
3111101111212010121222100210211
4113031301322002113130330
5101340314404030014322
61001053003232042204
730335424663303544
oct2715617202273474
9441455117870724
10102102010001212
112a595245940791
12b550078693364
1344c8241756380
141b2da99662324
15bc0d931c2b77
hex5cdc7a09773c

102102010001212 has 48 divisors (see below), whose sum is σ = 192994053840000. Its totient is φ = 46984300577280.

The previous prime is 102102010001203. The next prime is 102102010001231. The reversal of 102102010001212 is 212100010201201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102102010001192 and 102102010001201.

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, 33245664 + ... + 36186712.

It is an arithmetic number, because the mean of its divisors is an integer number (4020709455000).

Almost surely, 2102102010001212 is an apocalyptic number.

It is an amenable number.

102102010001212 is a deficient number, since it is larger than the sum of its proper divisors (90892043838788).

102102010001212 is a wasteful number, since it uses less digits than its factorization.

102102010001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943046 (or 2943044 counting only the distinct ones).

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

Adding to 102102010001212 its reverse (212100010201201), we get a palindrome (314202020202413).

The spelling of 102102010001212 in words is "one hundred two trillion, one hundred two billion, ten million, one thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 431 862 1549 1724 3098 5603 6196 11206 20137 22412 40274 80548 667619 1335238 2670476 2941049 5882098 8679047 11764196 17358094 34716188 38233637 76467274 152934548 1267592119 2535184238 4555684901 5070368476 9111369802 16478697547 18222739604 32957395094 59223903713 65914790188 118447807426 236895614852 1963500192331 3927000384662 7854000769324 25525502500303 51051005000606 102102010001212