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1012112222 = 211108742323
BaseRepresentation
bin111100010100111…
…001101101011110
32121112110121221212
4330110321231132
54033100042342
6244233024422
734036545332
oct7424715536
92545417855
101012112222
1147a346990
12242b55112
131318bb294
14985c17c2
155dcc5182
hex3c539b5e

1012112222 has 16 divisors (see below), whose sum is σ = 1657746432. Its totient is φ = 459616920.

The previous prime is 1012112203. The next prime is 1012112239. The reversal of 1012112222 is 2222112101.

It is a super-2 number, since 2×10121122222 = 2048742299843554568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012112197 and 1012112206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2753 + ... + 45075.

It is an arithmetic number, because the mean of its divisors is an integer number (103609152).

Almost surely, 21012112222 is an apocalyptic number.

1012112222 is a deficient number, since it is larger than the sum of its proper divisors (645634210).

1012112222 is a wasteful number, since it uses less digits than its factorization.

1012112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43423.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1012112222 is about 31813.7112264508. The cubic root of 1012112222 is about 1004.0212154848.

Adding to 1012112222 its reverse (2222112101), we get a palindrome (3234224323).

The spelling of 1012112222 in words is "one billion, twelve million, one hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 11 22 1087 2174 11957 23914 42323 84646 465553 931106 46005101 92010202 506056111 1012112222