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12212023211230 = 254761742111877
BaseRepresentation
bin1011000110110101010101…
…0011100011010011011110
31121020110100220011012110111
42301231111103203103132
53100040210420224410
641550043115200234
72400201214405333
oct261552523432336
947213326135414
1012212023211230
1139890a9810607
121452931a4607a
136a778690c51b
143030ca80098a
151629e1b9cb8a
hexb1b554e34de

12212023211230 has 32 divisors (see below), whose sum is σ = 22485721481856. Its totient is φ = 4773128473344.

The previous prime is 12212023211209. The next prime is 12212023211257. The reversal of 12212023211230 is 3211232021221.

It is a super-2 number, since 2×122120232112302 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 20765949 + ... + 21345928.

It is an arithmetic number, because the mean of its divisors is an integer number (702678796308).

Almost surely, 212212023211230 is an apocalyptic number.

12212023211230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212023211230 is a deficient number, since it is larger than the sum of its proper divisors (10273698270626).

12212023211230 is a wasteful number, since it uses less digits than its factorization.

12212023211230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42112548.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12212023211230 its reverse (3211232021221), we get a palindrome (15423255232451).

The spelling of 12212023211230 in words is "twelve trillion, two hundred twelve billion, twenty-three million, two hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 617 1234 3085 6170 28999 57998 144995 289990 42111877 84223754 210559385 421118770 1979258219 3958516438 9896291095 19792582190 25983028109 51966056218 129915140545 259830281090 1221202321123 2442404642246 6106011605615 12212023211230