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2112002111212 = 22775428646829
BaseRepresentation
bin11110101110111101001…
…000101011011011101100
321110220110001120121121021
4132232331020223123230
5234100340020024322
64254123530543524
7305405244512320
oct36567510533354
97426401517537
102112002111212
1174477114a764
122a13a1297ba4
13124212797566
147431591b980
1539e10c534c7
hex1ebbd22b6ec

2112002111212 has 12 divisors (see below), whose sum is σ = 4224004222480. Its totient is φ = 905143761936.

The previous prime is 2112002111209. The next prime is 2112002111309. The reversal of 2112002111212 is 2121112002112.

2112002111212 is an admirable number.

It is a super-2 number, since 2×21120021112122 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37714323387 + ... + 37714323442.

Almost surely, 22112002111212 is an apocalyptic number.

It is an amenable number.

2112002111212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2112002111212 is a wasteful number, since it uses less digits than its factorization.

2112002111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75428646840 (or 75428646838 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112002111212 its reverse (2121112002112), we get a palindrome (4233114113324).

The spelling of 2112002111212 in words is "two trillion, one hundred twelve billion, two million, one hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 75428646829 150857293658 301714587316 528000527803 1056001055606 2112002111212