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122203142112 = 2531737358089
BaseRepresentation
bin111000111001111011…
…1111111011111100000
3102200102112202211022110
41301303313333133200
54000233001021422
6132050033235320
711554210366152
oct1616367773740
9380375684273
10122203142112
114790a540427
121b825702b40
13b6a6778c5c
145cb3ba0ad2
1532a35e360c
hex1c73dff7e0

122203142112 has 48 divisors (see below), whose sum is σ = 322637530320. Its totient is φ = 40498916352.

The previous prime is 122203142111. The next prime is 122203142153. The reversal of 122203142112 is 211241302221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122203142111) 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, 3662437 + ... + 3695652.

It is an arithmetic number, because the mean of its divisors is an integer number (6721615215).

Almost surely, 2122203142112 is an apocalyptic number.

122203142112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122203142112 is an abundant number, since it is smaller than the sum of its proper divisors (200434388208).

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

122203142112 is a wasteful number, since it uses less digits than its factorization.

122203142112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7358275 (or 7358267 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 122203142112 its reverse (211241302221), we get a palindrome (333444444333).

The spelling of 122203142112 in words is "one hundred twenty-two billion, two hundred three million, one hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 173 346 519 692 1038 1384 2076 2768 4152 5536 8304 16608 7358089 14716178 22074267 29432356 44148534 58864712 88297068 117729424 176594136 235458848 353188272 706376544 1272949397 2545898794 3818848191 5091797588 7637696382 10183595176 15275392764 20367190352 30550785528 40734380704 61101571056 122203142112