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1212120100014 = 234717772418851
BaseRepresentation
bin10001101000110111111…
…111001110110010101110
311021212200201210222120120
4101220313333032302232
5124324410221200024
62324501300225410
7153400315565415
oct21506777166256
94255621728516
101212120100014
1142806a21867a
12176b0069b266
138a3c15acb15
144294a08a47c
15217e3c81479
hex11a37fcecae

1212120100014 has 32 divisors (see below), whose sum is σ = 2477214061056. Its totient is φ = 395220739200.

The previous prime is 1212120099979. The next prime is 1212120100019. The reversal of 1212120100014 is 4100010212121.

It is a junction number, because it is equal to n+sod(n) for n = 1212120099966 and 1212120100002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212120100019) 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, 708312 + ... + 1710539.

It is an arithmetic number, because the mean of its divisors is an integer number (77412939408).

Almost surely, 21212120100014 is an apocalyptic number.

1212120100014 is an abundant number, since it is smaller than the sum of its proper divisors (1265093961042).

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

1212120100014 is a wasteful number, since it uses less digits than its factorization.

1212120100014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420680.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212120100014 its reverse (4100010212121), we get a palindrome (5312130312135).

The spelling of 1212120100014 in words is "one trillion, two hundred twelve billion, one hundred twenty million, one hundred thousand, fourteen".

Divisors: 1 2 3 6 47 94 141 282 1777 3554 5331 10662 83519 167038 250557 501114 2418851 4837702 7256553 14513106 113685997 227371994 341057991 682115982 4298298227 8596596454 12894894681 25789789362 202020016669 404040033338 606060050007 1212120100014