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102101010011212 = 22432392483726039
BaseRepresentation
bin10111001101110000111110…
…011011101101010001001100
3111101111202112221022121102011
4113031300332123231101030
5101340310332030324322
61001052320110511004
730335361131444032
oct2715607633552114
9441452487277364
10102101010011212
112a594882424473
12b54ba39805464
1344c8112520904
141b2da02918552
15bc0d354e4677
hex5cdc3e6ed44c

102101010011212 has 24 divisors (see below), whose sum is σ = 183597028876800. Its totient is φ = 49654650951696.

The previous prime is 102101010011129. The next prime is 102101010011227. The reversal of 102101010011212 is 212110010101201.

It is a happy number.

It is a super-2 number, since 2×1021010100112122 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102101010011192 and 102101010011201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241821912 + ... + 1241904127.

It is an arithmetic number, because the mean of its divisors is an integer number (7649876203200).

Almost surely, 2102101010011212 is an apocalyptic number.

It is an amenable number.

102101010011212 is a deficient number, since it is larger than the sum of its proper divisors (81496018865588).

102101010011212 is a wasteful number, since it uses less digits than its factorization.

102101010011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483726325 (or 2483726323 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102101010011212 its reverse (212110010101201), we get a palindrome (314211020112413).

The spelling of 102101010011212 in words is "one hundred two trillion, one hundred one billion, ten million, eleven thousand, two hundred twelve".

Divisors: 1 2 4 43 86 172 239 478 956 10277 20554 41108 2483726039 4967452078 9934904156 106800219677 213600439354 427200878708 593610523321 1187221046642 2374442093284 25525252502803 51050505005606 102101010011212