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12121103122404 = 22319611018628913
BaseRepresentation
bin1011000001100010101000…
…0010111011111111100100
31120220202200111222010202020
42300120222002323333210
53042043004344404104
641440205150143140
72360502143404143
oct260305202737744
946822614863666
1012121103122404
113953592797131
121439198ab1ab0
1369c0272abbb3
142dc94363775a
1516046eb772d9
hexb062a0bbfe4

12121103122404 has 96 divisors (see below), whose sum is σ = 30558781196160. Its totient is φ = 3727689984000.

The previous prime is 12121103122397. The next prime is 12121103122433. The reversal of 12121103122404 is 40422130112121.

12121103122404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121211031224042 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2909749 + ... + 5719164.

It is an arithmetic number, because the mean of its divisors is an integer number (318320637460).

Almost surely, 212121103122404 is an apocalyptic number.

It is an amenable number.

12121103122404 is an abundant number, since it is smaller than the sum of its proper divisors (18437678073756).

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

12121103122404 is a wasteful number, since it uses less digits than its factorization.

12121103122404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8629101 (or 8629099 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 12121103122404 its reverse (40422130112121), we get a palindrome (52543233234525).

The spelling of 12121103122404 in words is "twelve trillion, one hundred twenty-one billion, one hundred three million, one hundred twenty-two thousand, four hundred four".

Divisors: 1 2 3 4 6 12 19 38 57 61 76 101 114 122 183 202 228 244 303 366 404 606 732 1159 1212 1919 2318 3477 3838 4636 5757 6161 6954 7676 11514 12322 13908 18483 23028 24644 36966 73932 117059 234118 351177 468236 702354 1404708 8628913 17257826 25886739 34515652 51773478 103546956 163949347 327898694 491848041 526363693 655797388 871520213 983696082 1052727386 1579091079 1743040426 1967392164 2105454772 2614560639 3158182158 3486080852 5229121278 6316364316 10000910167 10458242556 16558884047 20001820334 30002730501 33117768094 40003640668 49676652141 53162732993 60005461002 66235536188 99353304282 106325465986 120010922004 159488198979 198706608564 212650931972 318976397958 637952795916 1010091926867 2020183853734 3030275780601 4040367707468 6060551561202 12121103122404