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12212389419 = 323253969709
BaseRepresentation
bin10110101111110101…
…00100011000101011
31011112002202122212020
423113322210120223
5200002332430134
65335453515523
7611430411606
oct132772443053
934462678766
1012212389419
1151a7636a1a
122449aa2ba3
1311c8169139
1483bd0733d
154b7225b49
hex2d7ea462b

12212389419 has 16 divisors (see below), whose sum is σ = 16998086400. Its totient is φ = 7784431776.

The previous prime is 12212389393. The next prime is 12212389439. The reversal of 12212389419 is 91498321221.

It is not a de Polignac number, because 12212389419 - 216 = 12212323883 is a prime.

It is a super-2 number, since 2×122123894192 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12212389439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140337 + ... + 210045.

It is an arithmetic number, because the mean of its divisors is an integer number (1062380400).

Almost surely, 212212389419 is an apocalyptic number.

12212389419 is a deficient number, since it is larger than the sum of its proper divisors (4785696981).

12212389419 is a wasteful number, since it uses less digits than its factorization.

12212389419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72274.

The product of its digits is 62208, while the sum is 42.

The spelling of 12212389419 in words is "twelve billion, two hundred twelve million, three hundred eighty-nine thousand, four hundred nineteen".

Divisors: 1 3 23 69 2539 7617 58397 69709 175191 209127 1603307 4809921 176991151 530973453 4070796473 12212389419