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122122113221030 = 25133147644750083
BaseRepresentation
bin11011110001000111000101…
…001011011000000110100110
3121000101202112001012020200112
4123301013011023120012212
5112001322041441033110
61111422042504013022
734503013545014666
oct3361070513300646
9530352461166615
10122122113221030
1135a0377421837a
1211844100761172
13531b0b1914c40
142222a557941a6
15e1ba22db3405
hex6f11c52d81a6

122122113221030 has 64 divisors (see below), whose sum is σ = 249564704514048. Its totient is φ = 42708245431680.

The previous prime is 122122113221029. The next prime is 122122113221033. The reversal of 122122113221030 is 30122311221221.

It is a junction number, because it is equal to n+sod(n) for n = 122122113220987 and 122122113221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122113221033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322185632 + ... + 322564451.

It is an arithmetic number, because the mean of its divisors is an integer number (3899448508032).

Almost surely, 2122122113221030 is an apocalyptic number.

122122113221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122122113221030 is an abundant number, since it is smaller than the sum of its proper divisors (127442591293018).

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

122122113221030 is a wasteful number, since it uses less digits than its factorization.

122122113221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644750181.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 122122113221030 its reverse (30122311221221), we get a palindrome (152244424442251).

The spelling of 122122113221030 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, one hundred thirteen million, two hundred twenty-one thousand, thirty".

Divisors: 1 2 5 10 13 26 31 47 62 65 94 130 155 235 310 403 470 611 806 1222 1457 2015 2914 3055 4030 6110 7285 14570 18941 37882 94705 189410 644750083 1289500166 3223750415 6447500830 8381751079 16763502158 19987252573 30303253901 39974505146 41908755395 60606507802 83817510790 99936262865 151516269505 199872525730 259834283449 303032539010 393942300713 519668566898 787884601426 939400870931 1299171417245 1878801741862 1969711503565 2598342834490 3939423007130 4697004354655 9394008709310 12212211322103 24424422644206 61061056610515 122122113221030