Search a number
-
+
122110121012 = 221129591621993
BaseRepresentation
bin111000110111001010…
…1001001010000110100
3102200012001201212100112
41301232111021100310
54000040142333022
6132032511402152
711552000621465
oct1615625112064
9380161655315
10122110121012
1147871a86290
121b7ba523358
13b690409b99
145ca56a8d6c
15329a36b8e2
hex1c6e549434

122110121012 has 48 divisors (see below), whose sum is σ = 245245492800. Its totient is φ = 52682300160.

The previous prime is 122110121011. The next prime is 122110121027. The reversal of 122110121012 is 210121011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110121011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735713 + ... + 886280.

It is an arithmetic number, because the mean of its divisors is an integer number (5109281100).

Almost surely, 2122110121012 is an apocalyptic number.

It is an amenable number.

122110121012 is an abundant number, since it is smaller than the sum of its proper divisors (123135371788).

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

122110121012 is a wasteful number, since it uses less digits than its factorization.

122110121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622096 (or 1622094 counting only the distinct ones).

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

Adding to 122110121012 its reverse (210121011221), we get a palindrome (332231132233).

The spelling of 122110121012 in words is "one hundred twenty-two billion, one hundred ten million, one hundred twenty-one thousand, twelve".

Divisors: 1 2 4 11 22 29 44 58 59 116 118 236 319 638 649 1276 1298 1711 2596 3422 6844 18821 37642 75284 1621993 3243986 6487972 17841923 35683846 47037797 71367692 94075594 95697587 188151188 191395174 382790348 517415767 1034831534 1052673457 2069663068 2105346914 2775230023 4210693828 5550460046 11100920092 30527530253 61055060506 122110121012