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120212220012 = 22319527246579
BaseRepresentation
bin110111111110100110…
…1001110100001101100
3102111021210111111121220
41233331031032201230
53432143312020022
6131120313023340
711453654003433
oct1577515164154
9374253444556
10120212220012
1146a88734165
121b36a9b4b50
13b44a15c841
145b655ca11a
1531d892585c
hex1bfd34e86c

120212220012 has 24 divisors (see below), whose sum is σ = 295258084800. Its totient is φ = 37961753616.

The previous prime is 120212219999. The next prime is 120212220017. The reversal of 120212220012 is 210022212021.

It is a junction number, because it is equal to n+sod(n) for n = 120212219973 and 120212220000.

It is not an unprimeable number, because it can be changed into a prime (120212220017) 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, 263623062 + ... + 263623517.

It is an arithmetic number, because the mean of its divisors is an integer number (12302420200).

Almost surely, 2120212220012 is an apocalyptic number.

120212220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120212220012 is an abundant number, since it is smaller than the sum of its proper divisors (175045864788).

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

120212220012 is a wasteful number, since it uses less digits than its factorization.

120212220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527246605 (or 527246603 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120212220012 its reverse (210022212021), we get a palindrome (330234432033).

The spelling of 120212220012 in words is "one hundred twenty billion, two hundred twelve million, two hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 527246579 1054493158 1581739737 2108986316 3163479474 6326958948 10017685001 20035370002 30053055003 40070740004 60106110006 120212220012