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2211112112012 = 228342115819421
BaseRepresentation
bin100000001011010000100…
…011010100111110001100
321211101021012112022110122
4200023100203110332030
5242211324200041022
64411434302124112
7315514263564056
oct40132043247614
97741235468418
102211112112012
11782800164231
122b8640b80638
13130678aa264b
14790386a68d6
153c7b1c89742
hex202d08d4f8c

2211112112012 has 24 divisors (see below), whose sum is σ = 3925368097392. Its totient is φ = 1089641649600.

The previous prime is 2211112112003. The next prime is 2211112112071. The reversal of 2211112112012 is 2102112111122.

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 7 ways as a sum of consecutive naturals, for example, 7769939 + ... + 8049482.

It is an arithmetic number, because the mean of its divisors is an integer number (163557004058).

Almost surely, 22211112112012 is an apocalyptic number.

It is an amenable number.

2211112112012 is a deficient number, since it is larger than the sum of its proper divisors (1714255985380).

2211112112012 is a wasteful number, since it uses less digits than its factorization.

2211112112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15819929 (or 15819927 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2211112112012 its reverse (2102112111122), we get a palindrome (4313224223134).

The spelling of 2211112112012 in words is "two trillion, two hundred eleven billion, one hundred twelve million, one hundred twelve thousand, twelve".

Divisors: 1 2 4 83 166 332 421 842 1684 34943 69886 139772 15819421 31638842 63277684 1313011943 2626023886 5252047772 6659976241 13319952482 26639904964 552778028003 1105556056006 2211112112012