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10002222012 = 2238311100291
BaseRepresentation
bin10010101000010110…
…11100101110111100
3221211001221112011010
421110023130232330
5130441032101022
64332302155220
7502602325056
oct112413345674
927731845133
1010002222012
114272aa2492
121b31882b10
13c352b7983
146ac5808d6
153d819b50c
hex2542dcbbc

10002222012 has 24 divisors (see below), whose sum is σ = 23341558912. Its totient is φ = 3333639600.

The previous prime is 10002222011. The next prime is 10002222019. The reversal of 10002222012 is 21022220001.

It is a super-3 number, since 3×100022220123 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002222011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49587 + ... + 149877.

Almost surely, 210002222012 is an apocalyptic number.

10002222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10002222012 is an abundant number, since it is smaller than the sum of its proper divisors (13339336900).

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

10002222012 is a wasteful number, since it uses less digits than its factorization.

10002222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108609 (or 108607 counting only the distinct ones).

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

Adding to 10002222012 its reverse (21022220001), we get a palindrome (31024442013).

The spelling of 10002222012 in words is "ten billion, two million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 8311 16622 24933 33244 49866 99732 100291 200582 300873 401164 601746 1203492 833518501 1667037002 2500555503 3334074004 5001111006 10002222012