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2012122312 = 231729598647
BaseRepresentation
bin111011111101110…
…1000110011001000
312012020011101220121
41313323220303020
513110100403222
6531354433024
7100601520544
oct16773506310
95166141817
102012122312
11942877302
12481a32774
13260b2cc25
14151332a24
15bb9a95c7
hex77ee8cc8

2012122312 has 64 divisors (see below), whose sum is σ = 4202928000. Its totient is φ = 898630656.

The previous prime is 2012122247. The next prime is 2012122331. The reversal of 2012122312 is 2132212102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228373 + ... + 237019.

It is an arithmetic number, because the mean of its divisors is an integer number (65670750).

Almost surely, 22012122312 is an apocalyptic number.

It is an amenable number.

2012122312 is an abundant number, since it is smaller than the sum of its proper divisors (2190805688).

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

2012122312 is a wasteful number, since it uses less digits than its factorization.

2012122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758 (or 8754 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2012122312 is about 44856.6863689239. The cubic root of 2012122312 is about 1262.4614502100.

Adding to 2012122312 its reverse (2132212102), we get a palindrome (4144334414).

The spelling of 2012122312 in words is "two billion, twelve million, one hundred twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 17 29 34 58 59 68 116 118 136 232 236 472 493 986 1003 1711 1972 2006 3422 3944 4012 6844 8024 8647 13688 17294 29087 34588 58174 69176 116348 146999 232696 250763 293998 501526 510173 587996 1003052 1020346 1175992 2006104 2040692 4081384 4262971 8525942 8672941 14795017 17051884 17345882 29590034 34103768 34691764 59180068 69383528 118360136 251515289 503030578 1006061156 2012122312