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1212010504144 = 24116886423319
BaseRepresentation
bin10001101000110001011…
…101001001111111010000
311021212102002120221022021
4101220301131021333100
5124324144142113034
62324442343221224
7153364515206056
oct21506135117720
94255362527267
101212010504144
11428013372680
12176a8ba47814
138a3a49896ab
14429396bc1d6
15217d93336b4
hex11a31749fd0

1212010504144 has 20 divisors (see below), whose sum is σ = 2561749475040. Its totient is φ = 550913865440.

The previous prime is 1212010504109. The next prime is 1212010504249. The reversal of 1212010504144 is 4414050102121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3443211484 + ... + 3443211835.

It is an arithmetic number, because the mean of its divisors is an integer number (128087473752).

Almost surely, 21212010504144 is an apocalyptic number.

It is an amenable number.

1212010504144 is an abundant number, since it is smaller than the sum of its proper divisors (1349738970896).

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

1212010504144 is a wasteful number, since it uses less digits than its factorization.

1212010504144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886423338 (or 6886423332 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 1212010504144 its reverse (4414050102121), we get a palindrome (5626060606265).

The spelling of 1212010504144 in words is "one trillion, two hundred twelve billion, ten million, five hundred four thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 6886423319 13772846638 27545693276 55091386552 75750656509 110182773104 151501313018 303002626036 606005252072 1212010504144