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12212112813248 = 26316155298797
BaseRepresentation
bin1011000110110101101010…
…1001010110110011000000
31121020110121010202110022202
42301231122221112303000
53100040401340010443
641550100035452332
72400203353122605
oct261553251266300
947213533673282
1012212112813248
11398914534a967
121452957a570a8
136a779c35227a
143030d86866ac
151629e999b7b8
hexb1b5aa56cc0

12212112813248 has 28 divisors (see below), whose sum is σ = 25015134315072. Its totient is φ = 5909086844160.

The previous prime is 12212112813247. The next prime is 12212112813259. The reversal of 12212112813248 is 84231821121221.

It is not an unprimeable number, because it can be changed into a prime (12212112813247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3077647415 + ... + 3077651382.

Almost surely, 212212112813248 is an apocalyptic number.

It is an amenable number.

12212112813248 is an abundant number, since it is smaller than the sum of its proper divisors (12803021501824).

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

12212112813248 is an equidigital number, since it uses as much as digits as its factorization.

12212112813248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155298840 (or 6155298830 counting only the distinct ones).

The product of its digits is 24576, while the sum is 38.

Adding to 12212112813248 its reverse (84231821121221), we get a palindrome (96443933934469).

The spelling of 12212112813248 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, eight hundred thirteen thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 31 32 62 64 124 248 496 992 1984 6155298797 12310597594 24621195188 49242390376 98484780752 190814262707 196969561504 381628525414 393939123008 763257050828 1526514101656 3053028203312 6106056406624 12212112813248