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211210212000012 = 22317600851000001
BaseRepresentation
bin110000000001100000110101…
…101010001100000100001100
31000200211111110211020202211220
4300001200311222030010030
5210140432003233000022
62025112344253443340
762326301643154011
oct6001406552140414
91020744424222756
10211210212000012
1161330825487195
121b831b547a0550
1390b10645b8854
143a228b3627708
1519640e04a585c
hexc01835a8c10c

211210212000012 has 12 divisors (see below), whose sum is σ = 492823828000056. Its totient is φ = 70403404000000.

The previous prime is 211210211999987. The next prime is 211210212000023. The reversal of 211210212000012 is 210000212012112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 211210211999955 and 211210212000000.

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, 8800425499989 + ... + 8800425500012.

It is an arithmetic number, because the mean of its divisors is an integer number (41068652333338).

Almost surely, 2211210212000012 is an apocalyptic number.

It is an amenable number.

211210212000012 is an abundant number, since it is smaller than the sum of its proper divisors (281613616000044).

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

211210212000012 is a wasteful number, since it uses less digits than its factorization.

211210212000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17600851000008 (or 17600851000006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211210212000012 its reverse (210000212012112), we get a palindrome (421210424012124).

The spelling of 211210212000012 in words is "two hundred eleven trillion, two hundred ten billion, two hundred twelve million, twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 17600851000001 35201702000002 52802553000003 70403404000004 105605106000006 211210212000012