Search a number
-
+
122212020112 = 2471326456679
BaseRepresentation
bin111000111010001100…
…1110110111110010000
3102200110011110212122021
41301310121312332100
54000242234120422
6132050551421224
711554346013430
oct1616431667620
9380404425567
10122212020112
1147914554616
121b828684814
13b6a8566c00
145cb50322c0
1532a4298dc7
hex1c74676f90

122212020112 has 60 divisors (see below), whose sum is σ = 293029965120. Its totient is φ = 48347604864.

The previous prime is 122212020107. The next prime is 122212020121. The reversal of 122212020112 is 211020212221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3209412 + ... + 3247267.

It is an arithmetic number, because the mean of its divisors is an integer number (4883832752).

Almost surely, 2122212020112 is an apocalyptic number.

It is an amenable number.

122212020112 is an abundant number, since it is smaller than the sum of its proper divisors (170817945008).

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

122212020112 is a wasteful number, since it uses less digits than its factorization.

122212020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456720 (or 6456701 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122212020112 its reverse (211020212221), we get a palindrome (333232232333).

The spelling of 122212020112 in words is "one hundred twenty-two billion, two hundred twelve million, twenty thousand, one hundred twelve".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 169 182 208 338 364 676 728 1183 1352 1456 2366 2704 4732 9464 18928 6456679 12913358 25826716 45196753 51653432 83936827 90393506 103306864 167873654 180787012 335747308 361574024 587557789 671494616 723148048 1091178751 1175115578 1342989232 2182357502 2350231156 4364715004 4700462312 7638251257 8729430008 9400924624 15276502514 17458860016 30553005028 61106010056 122212020112