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2012010222 = 231376733637
BaseRepresentation
bin111011111101100…
…1101011011101110
312012012221201011010
41313323031123232
513110033311342
6531352210050
7100600543005
oct16773153356
95165851133
102012010222
11942800072
12481999926
13260ac0bc1
14151303c3c
15bb98629c
hex77ecd6ee

2012010222 has 32 divisors (see below), whose sum is σ = 4060531872. Its totient is φ = 664602624.

The previous prime is 2012010211. The next prime is 2012010229. The reversal of 2012010222 is 2220102102.

It is a junction number, because it is equal to n+sod(n) for n = 2012010198 and 2012010207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012010229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551388 + ... + 555024.

It is an arithmetic number, because the mean of its divisors is an integer number (126891621).

Almost surely, 22012010222 is an apocalyptic number.

2012010222 is an abundant number, since it is smaller than the sum of its proper divisors (2048521650).

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

2012010222 is a wasteful number, since it uses less digits than its factorization.

2012010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2012010222 is about 44855.4369279801. The cubic root of 2012010222 is about 1262.4380069811.

Adding to 2012010222 its reverse (2220102102), we get a palindrome (4232112324).

The spelling of 2012010222 in words is "two billion, twelve million, ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 137 274 411 673 822 1346 2019 3637 4038 7274 10911 21822 92201 184402 276603 498269 553206 996538 1494807 2447701 2989614 4895402 7343103 14686206 335335037 670670074 1006005111 2012010222