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12122022220112 = 247214043505657
BaseRepresentation
bin1011000001100110000011…
…0101000001000101010000
31120220212001120102010210002
42300121200311001011100
53042101400142020422
641440440301425132
72360534003533250
oct260314065010520
946825046363702
1012122022220112
113953a14582912
1214393b486b1a8
1369c1428310ac
142dc9cd725960
151604c56c7692
hexb0660d41150

12122022220112 has 40 divisors (see below), whose sum is σ = 26841799116096. Its totient is φ = 5195117834496.

The previous prime is 12122022220111. The next prime is 12122022220171. The reversal of 12122022220112 is 21102222022121.

It is a super-3 number, since 3×121220222201123 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122022220111) 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, 23719988 + ... + 24225644.

Almost surely, 212122022220112 is an apocalyptic number.

It is an amenable number.

12122022220112 is an abundant number, since it is smaller than the sum of its proper divisors (14719776895984).

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

12122022220112 is a wasteful number, since it uses less digits than its factorization.

12122022220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719715 (or 719709 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12122022220112 its reverse (21102222022121), we get a palindrome (33224244242233).

The spelling of 12122022220112 in words is "twelve trillion, one hundred twenty-two billion, twenty-two million, two hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 214043 428086 505657 856172 1011314 1498301 1712344 2022628 2996602 3424688 3539599 4045256 5993204 7079198 8090512 11986408 14158396 23972816 28316792 56633584 108232341251 216464682502 432929365004 757626388757 865858730008 1515252777514 1731717460016 3030505555028 6061011110056 12122022220112