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212312012012007 = 3292372274341057
BaseRepresentation
bin110000010001100010111110…
…000011101011100111100111
31000211201211102011100121211120
4300101202332003223213213
5210312010000033341012
62031314443011505023
762502015402555645
oct6021427603534747
91024654364317746
10212312012012007
11617160228aa8a6
121b98b5a72b8173
139160c2428947b
143a5dd55bac195
151982ac8eb358c
hexc118be0eb9e7

212312012012007 has 24 divisors (see below), whose sum is σ = 301104561350736. Its totient is φ = 132967075497984.

The previous prime is 212312012011997. The next prime is 212312012012099. The reversal of 212312012012007 is 700210210213212.

It is a happy number.

It is not a de Polignac number, because 212312012012007 - 216 = 212312011946471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212312012212007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1137077178 + ... + 1137263879.

It is an arithmetic number, because the mean of its divisors is an integer number (12546023389614).

Almost surely, 2212312012012007 is an apocalyptic number.

212312012012007 is a deficient number, since it is larger than the sum of its proper divisors (88792549338729).

212312012012007 is a wasteful number, since it uses less digits than its factorization.

212312012012007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274341155 (or 2274341126 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 212312012012007 its reverse (700210210213212), we get a palindrome (912522222225219).

The spelling of 212312012012007 in words is "two hundred twelve trillion, three hundred twelve billion, twelve million, twelve thousand, seven".

Divisors: 1 3 29 37 87 111 841 1073 2523 3219 31117 93351 2274341057 6823023171 65955890653 84150619109 197867671959 252451857327 1912720828937 2440367954161 5738162486811 7321103862483 70770670670669 212312012012007