Search a number
-
+
122020133312 = 2671124760579
BaseRepresentation
bin111000110100011110…
…1110111100111000000
3102122221210102000102202
41301220331313213000
53444344123231222
6132015534532332
711546526006620
oct1615075674700
9378853360382
10122020133312
1147826203190
121b7943670a8
13b67789071c
145c97762880
1532924e3892
hex1c68f779c0

122020133312 has 56 divisors (see below), whose sum is σ = 301880991360. Its totient is φ = 47540309760.

The previous prime is 122020133311. The next prime is 122020133341. The reversal of 122020133312 is 213331020221.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020133311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12375362 + ... + 12385217.

Almost surely, 2122020133312 is an apocalyptic number.

It is an amenable number.

122020133312 is an abundant number, since it is smaller than the sum of its proper divisors (179860858048).

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

122020133312 is a wasteful number, since it uses less digits than its factorization.

122020133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24760609 (or 24760599 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 122020133312 its reverse (213331020221), we get a palindrome (335351153533).

The spelling of 122020133312 in words is "one hundred twenty-two billion, twenty million, one hundred thirty-three thousand, three hundred twelve".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 154 176 224 308 352 448 616 704 1232 2464 4928 24760579 49521158 99042316 173324053 198084632 272366369 346648106 396169264 544732738 693296212 792338528 1089465476 1386592424 1584677056 1906564583 2178930952 2773184848 3813129166 4357861904 5546369696 7626258332 8715723808 11092739392 15252516664 17431447616 30505033328 61010066656 122020133312