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120102111212 = 22193150977127
BaseRepresentation
bin110111111011010100…
…1001100011111101100
3102111000010022101202012
41233312221030133230
53431432120024322
6131101341020352
711451146046506
oct1576651143754
9374003271665
10120102111212
1146a31568856
121b339b546b8
13b4303b9ac5
145b54b26d76
1531cde25ae2
hex1bf6a4c7ec

120102111212 has 24 divisors (see below), whose sum is σ = 228377533440. Its totient is φ = 55055296080.

The previous prime is 120102111197. The next prime is 120102111221. The reversal of 120102111212 is 212111201021.

It is a super-2 number, since 2×1201021112122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25486208 + ... + 25490919.

It is an arithmetic number, because the mean of its divisors is an integer number (9515730560).

Almost surely, 2120102111212 is an apocalyptic number.

It is an amenable number.

120102111212 is a deficient number, since it is larger than the sum of its proper divisors (108275422228).

120102111212 is a wasteful number, since it uses less digits than its factorization.

120102111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50977181 (or 50977179 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120102111212 its reverse (212111201021), we get a palindrome (332213312233).

The spelling of 120102111212 in words is "one hundred twenty billion, one hundred two million, one hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 19 31 38 62 76 124 589 1178 2356 50977127 101954254 203908508 968565413 1580290937 1937130826 3160581874 3874261652 6321163748 30025527803 60051055606 120102111212