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122112211022120 = 23511495755987039
BaseRepresentation
bin11011110000111101110110…
…111101011111000100101000
3121000100210221221110102102202
4123300331312331133010220
5112001141302010201440
61111413324133315332
734502213265506264
oct3360756675370450
9530323857412382
10122112211022120
11359aa552732810
12118421b8495b48
13531a19427b447
14222239660d0a4
15e1b6438c3615
hex6f0f76f5f128

122112211022120 has 64 divisors (see below), whose sum is σ = 299790443865600. Its totient is φ = 44395481652480.

The previous prime is 122112211022119. The next prime is 122112211022147. The reversal of 122112211022120 is 21220112211221.

122112211022120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1221122110221202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122112211022092 and 122112211022101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25812440 + ... + 30174599.

It is an arithmetic number, because the mean of its divisors is an integer number (4684225685400).

Almost surely, 2122112211022120 is an apocalyptic number.

122112211022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122112211022120 is an abundant number, since it is smaller than the sum of its proper divisors (177678232843480).

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

122112211022120 is a wasteful number, since it uses less digits than its factorization.

122112211022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55992018 (or 55992014 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122112211022120 its reverse (21220112211221), we get a palindrome (143332323233341).

The spelling of 122112211022120 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred eleven million, twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 4957 9914 19828 24785 39656 49570 54527 99140 109054 198280 218108 272635 436216 545270 1090540 2181080 55987039 111974078 223948156 279935195 447896312 559870390 615857429 1119740780 1231714858 2239481560 2463429716 3079287145 4926859432 6158574290 12317148580 24634297160 277527752323 555055504646 1110111009292 1387638761615 2220222018584 2775277523230 3052805275553 5550555046460 6105610551106 11101110092920 12211221102212 15264026377765 24422442204424 30528052755530 61056105511060 122112211022120