Search a number
-
+
122001211112 = 23112792117561
BaseRepresentation
bin111000110011111010…
…1101011111011101000
3102122220110210200001112
41301213311223323220
53444324302223422
6132014021205452
711546206120064
oct1614765537350
9378813720045
10122001211112
1147816559700
121b789b60888
13b673996a61
145c95038aa4
153290a06ee2
hex1c67d6bee8

122001211112 has 96 divisors (see below), whose sum is σ = 255861782400. Its totient is φ = 54486432000.

The previous prime is 122001211099. The next prime is 122001211153. The reversal of 122001211112 is 211112100221.

122001211112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16131812 + ... + 16139372.

It is an arithmetic number, because the mean of its divisors is an integer number (2665226900).

Almost surely, 2122001211112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122001211112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127930891200).

122001211112 is an abundant number, since it is smaller than the sum of its proper divisors (133860571288).

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

122001211112 is a wasteful number, since it uses less digits than its factorization.

122001211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7879 (or 7864 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122001211112 its reverse (211112100221), we get a palindrome (333113311333).

The spelling of 122001211112 in words is "one hundred twenty-two billion, one million, two hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 79 88 121 158 211 242 316 422 484 632 844 869 968 1688 1738 2321 3476 4642 6952 7561 9284 9559 15122 16669 18568 19118 25531 30244 33338 38236 51062 60488 66676 76472 83171 102124 133352 166342 183359 204248 332684 366718 597319 665368 733436 914881 1194638 1466872 1595371 1829762 2016949 2389276 3190742 3659524 4033898 4778552 6381484 6570509 7319048 8067796 12762968 13141018 16135592 17549081 26282036 35098162 52564072 70196324 72275599 126034309 140392648 144551198 193039891 252068618 289102396 386079782 504137236 578204792 772159564 1008274472 1386377399 1544319128 2772754798 5545509596 11091019192 15250151389 30500302778 61000605556 122001211112