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122112210102212 = 22117976073573383
BaseRepresentation
bin11011110000111101110110…
…111001111110011111000100
3121000100210221212201200120002
4123300331312321332133010
5112001141301241232322
61111413324101500432
734502213254625321
oct3360756671763704
9530323855650502
10122112210102212
11359aa552164660
12118421b8111718
13531a194018815
14222239644db48
15e1b643790c92
hex6f0f76e7e7c4

122112210102212 has 48 divisors (see below), whose sum is σ = 233454653373312. Its totient is φ = 55426682023680.

The previous prime is 122112210102193. The next prime is 122112210102217. The reversal of 122112210102212 is 212201012211221.

It is a super-2 number, since 2×1221122101022122 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122112210102217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212681273 + ... + 213254655.

It is an arithmetic number, because the mean of its divisors is an integer number (4863638611944).

Almost surely, 2122112210102212 is an apocalyptic number.

It is an amenable number.

122112210102212 is a deficient number, since it is larger than the sum of its proper divisors (111342443271100).

122112210102212 is a wasteful number, since it uses less digits than its factorization.

122112210102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580268 (or 580266 counting only the distinct ones).

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

Adding to 122112210102212 its reverse (212201012211221), we get a palindrome (334313222313433).

The spelling of 122112210102212 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred ten million, one hundred two thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 797 1594 3188 6073 8767 12146 17534 24292 35068 66803 133606 267212 573383 1146766 2293532 4840181 6307213 9680362 12614426 19360724 25228852 53241991 106483982 212967964 456986251 913972502 1827945004 3482154959 5026848761 6964309918 10053697522 13928619836 20107395044 38303704549 76607409098 153214818196 2775277502323 5550555004646 11101110009292 30528052525553 61056105051106 122112210102212