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12222112120211 = 710260717016539
BaseRepresentation
bin1011000111011010111010…
…1001101011110110010011
31121021102102000012212210002
42301312232221223312103
53100221341200321321
641554432155400215
72401006221620210
oct261665651536623
947242360185702
1012222112120211
113992406731214
12145488875306b
136a8703b59156
143037a66a8b07
15162dd276e20b
hexb1daea6bd93

12222112120211 has 8 divisors (see below), whose sum is σ = 13968265090560. Its totient is φ = 10475993388168.

The previous prime is 12222112120189. The next prime is 12222112120271. The reversal of 12222112120211 is 11202121122221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12222112120211 - 210 = 12222112119187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222112120271) 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, 7790021 + ... + 9226518.

It is an arithmetic number, because the mean of its divisors is an integer number (1746033136320).

Almost surely, 212222112120211 is an apocalyptic number.

12222112120211 is a deficient number, since it is larger than the sum of its proper divisors (1746152970349).

12222112120211 is a wasteful number, since it uses less digits than its factorization.

12222112120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17119153.

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

Adding to 12222112120211 its reverse (11202121122221), we get a palindrome (23424233242432).

The spelling of 12222112120211 in words is "twelve trillion, two hundred twenty-two billion, one hundred twelve million, one hundred twenty thousand, two hundred eleven".

Divisors: 1 7 102607 718249 17016539 119115773 1746016017173 12222112120211