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1222012022110 = 2511229142324473
BaseRepresentation
bin10001110010000101100…
…101111010110101011110
311022211020010012200200121
4101302011211322311132
5130010140034201420
62333215022345154
7154200411542425
oct21620545726536
94284203180617
101222012022110
11431285a24100
12178a0142b1ba
138b309a88a69
1443207b182bc
1521bc23e12aa
hex11c8597ad5e

1222012022110 has 96 divisors (see below), whose sum is σ = 2502997096320. Its totient is φ = 428725946880.

The previous prime is 1222012022087. The next prime is 1222012022117. The reversal of 1222012022110 is 112202102221.

It is a happy number.

It is a super-2 number, since 2×12220120221102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222012022117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49920834 + ... + 49945306.

It is an arithmetic number, because the mean of its divisors is an integer number (26072886420).

Almost surely, 21222012022110 is an apocalyptic number.

1222012022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222012022110 is an abundant number, since it is smaller than the sum of its proper divisors (1280985074210).

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

1222012022110 is a wasteful number, since it uses less digits than its factorization.

1222012022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25954 (or 25943 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222012022110 its reverse (112202102221), we get a palindrome (1334214124331).

The spelling of 1222012022110 in words is "one trillion, two hundred twenty-two billion, twelve million, twenty-two thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 29 55 58 110 121 145 242 290 319 605 638 1210 1423 1595 2846 3190 3509 7018 7115 14230 15653 17545 24473 31306 35090 41267 48946 78265 82534 122365 156530 172183 206335 244730 269203 344366 412670 453937 538406 709717 860915 907874 1346015 1419434 1721830 2269685 2692030 2961233 3548585 4539370 4993307 5922466 7097170 7806887 9986614 14806165 15613774 24966535 29612330 34825079 39034435 49933070 69650158 78068870 85875757 171751514 174125395 348250790 383075869 429378785 766151738 858757570 1009927291 1915379345 2019854582 3830758690 4213834559 5049636455 8427669118 10099272910 11109200201 21069172795 22218400402 42138345590 55546001005 111092002010 122201202211 244402404422 611006011055 1222012022110