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102112202012 = 2280923315461
BaseRepresentation
bin101111100011001011…
…1001000110100011100
3100202120101010022200212
41133012113020310130
53133111210431022
6114524254511552
710243302252602
oct1370627106434
9322511108625
10102112202012
113a33a7487a7
12179592055b8
1398242b0512
144d297a5872
1529c98b23e2
hex17c65c8d1c

102112202012 has 12 divisors (see below), whose sum is σ = 178699128216. Its totient is φ = 51055308240.

The previous prime is 102112202009. The next prime is 102112202029. The reversal of 102112202012 is 210202211201.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 165962 + ... + 481422.

It is an arithmetic number, because the mean of its divisors is an integer number (14891594018).

Almost surely, 2102112202012 is an apocalyptic number.

It is an amenable number.

102112202012 is a deficient number, since it is larger than the sum of its proper divisors (76586926204).

102112202012 is a wasteful number, since it uses less digits than its factorization.

102112202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396388 (or 396386 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102112202012 its reverse (210202211201), we get a palindrome (312314413213).

The spelling of 102112202012 in words is "one hundred two billion, one hundred twelve million, two hundred two thousand, twelve".

Divisors: 1 2 4 80923 161846 315461 323692 630922 1261844 25528050503 51056101006 102112202012