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12200112122 = 21111331315679
BaseRepresentation
bin10110101110010111…
…01110111111111010
31011111020122220120112
423113023232333322
5144441212041442
65334334424322
7611221146002
oct132713567772
934436586515
1012200112122
1151a07108a0
1224459620a2
1311c575ab73
1483a42d002
154b60ed082
hex2d72eeffa

12200112122 has 32 divisors (see below), whose sum is σ = 20206126080. Its totient is φ = 5478520320.

The previous prime is 12200112107. The next prime is 12200112143. The reversal of 12200112122 is 22121100221.

It is a junction number, because it is equal to n+sod(n) for n = 12200112097 and 12200112106.

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, 770279 + ... + 785957.

It is an arithmetic number, because the mean of its divisors is an integer number (631441440).

Almost surely, 212200112122 is an apocalyptic number.

12200112122 is a deficient number, since it is larger than the sum of its proper divisors (8006013958).

12200112122 is a wasteful number, since it uses less digits than its factorization.

12200112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16118.

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

Adding to 12200112122 its reverse (22121100221), we get a palindrome (34321212343).

The spelling of 12200112122 in words is "twelve billion, two hundred million, one hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 11 22 113 226 313 626 1243 2486 3443 6886 15679 31358 35369 70738 172469 344938 389059 778118 1771727 3543454 4907527 9815054 19488997 38977994 53982797 107965594 554550551 1109101102 6100056061 12200112122