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12231121220130 = 23510310331383147
BaseRepresentation
bin1011000111111100011110…
…1000101011001000100010
31121022021122212102120112110
42301333013220223020202
53100343314013021010
642002522143540150
72401445404661511
oct261770750531042
947267585376473
1012231121220130
11399620a07833a
1214565818ba656
136a950b4743c7
14303dbcdac678
1516325d647120
hexb1fc7a2b222

12231121220130 has 64 divisors (see below), whose sum is σ = 29642634298368. Its totient is φ = 3229644914880.

The previous prime is 12231121220111. The next prime is 12231121220179. The reversal of 12231121220130 is 3102212113221.

12231121220130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12231121220097 and 12231121220106.

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, 31731217 + ... + 32114363.

It is an arithmetic number, because the mean of its divisors is an integer number (463166160912).

Almost surely, 212231121220130 is an apocalyptic number.

12231121220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12231121220130 is an abundant number, since it is smaller than the sum of its proper divisors (17411513078238).

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

12231121220130 is a wasteful number, since it uses less digits than its factorization.

12231121220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393591.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12231121220130 its reverse (3102212113221), we get a palindrome (15333333333351).

The spelling of 12231121220130 in words is "twelve trillion, two hundred thirty-one billion, one hundred twenty-one million, two hundred twenty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 3090 10331 20662 30993 51655 61986 103310 154965 309930 383147 766294 1064093 1149441 1915735 2128186 2298882 3192279 3831470 5320465 5747205 6384558 10640930 11494410 15961395 31922790 39464141 78928282 118392423 197320705 236784846 394641410 591962115 1183924230 3958291657 7916583314 11874874971 19791458285 23749749942 39582916570 59374374855 118748749710 407704040671 815408081342 1223112122013 2038520203355 2446224244026 4077040406710 6115560610065 12231121220130