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211201001212012 = 2277542892900429
BaseRepresentation
bin110000000001011000010000…
…101001110100100001101100
31000200210121200220112021001121
4300001120100221310201230
5210140304122302241022
62025104222302350324
762325524460564460
oct6001302051644154
91020717626467047
10211201001212012
11613279292048a9
121b830203b8b3a4
1390b0227274b36
143a2227c2224a0
151963c51a3d2c7
hexc01610a7486c

211201001212012 has 12 divisors (see below), whose sum is σ = 422402002424080. Its totient is φ = 90514714805136.

The previous prime is 211201001211997. The next prime is 211201001212051. The reversal of 211201001212012 is 210212100102112.

211201001212012 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3771446450187 + ... + 3771446450242.

Almost surely, 2211201001212012 is an apocalyptic number.

It is an amenable number.

211201001212012 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.

211201001212012 is a wasteful number, since it uses less digits than its factorization.

211201001212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542892900440 (or 7542892900438 counting only the distinct ones).

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

Adding to 211201001212012 its reverse (210212100102112), we get a palindrome (421413101314124).

The spelling of 211201001212012 in words is "two hundred eleven trillion, two hundred one billion, one million, two hundred twelve thousand, twelve".

Divisors: 1 2 4 7 14 28 7542892900429 15085785800858 30171571601716 52800250303003 105600500606006 211201001212012