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120212101111986 = 2321341671091715723
BaseRepresentation
bin11011010101010100001111…
…100101011010000010110010
3120202122011110000102220100200
4123111110033211122002302
5111224023340341040421
61103400402111500030
734215015633661062
oct3325241745320262
9522564400386320
10120212101111986
1135337736177a04
1211595ab1527616
13520cc4c823330
14219842236d3a2
15dd6ed516e726
hex6d550f95a0b2

120212101111986 has 192 divisors, whose sum is σ = 294300471104640. Its totient is φ = 35221439278080.

The previous prime is 120212101111937. The next prime is 120212101112101. The reversal of 120212101111986 is 689111101212021.

120212101111986 is a `hidden beast` number, since 120 + 21 + 210 + 111 + 198 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 120212101111986.

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 95 ways as a sum of consecutive naturals, for example, 69207121 + ... + 70922843.

It is an arithmetic number, because the mean of its divisors is an integer number (1532814953670).

Almost surely, 2120212101111986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120212101111986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147150235552320).

120212101111986 is an abundant number, since it is smaller than the sum of its proper divisors (174088369992654).

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

120212101111986 is a wasteful number, since it uses less digits than its factorization.

120212101111986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715961 (or 1715958 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 36.

The spelling of 120212101111986 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred one million, one hundred eleven thousand, nine hundred eighty-six".