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1230130212102 = 234113971738813
BaseRepresentation
bin10001111001101001011…
…110010110110100000110
311100121011220000110210000
4101321221132112310012
5130123301313241402
62341040343342130
7154605526165011
oct21715136266406
94317156013700
101230130212102
11434771487430
1217a4a8151946
138c001940c8c
1443777d8a378
1521ee9e85c1c
hex11e69796d06

1230130212102 has 80 divisors (see below), whose sum is σ = 3014560966032. Its totient is φ = 371827558080.

The previous prime is 1230130212089. The next prime is 1230130212109. The reversal of 1230130212102 is 2012120310321.

It is a super-2 number, since 2×12301302121022 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230130212109) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 161953 + ... + 1576860.

Almost surely, 21230130212102 is an apocalyptic number.

1230130212102 is an abundant number, since it is smaller than the sum of its proper divisors (1784430753930).

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

1230130212102 is a wasteful number, since it uses less digits than its factorization.

1230130212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739235 (or 1739226 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1230130212102 its reverse (2012120310321), we get a palindrome (3242250522423).

The spelling of 1230130212102 in words is "one trillion, two hundred thirty billion, one hundred thirty million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 297 397 594 794 891 1191 1782 2382 3573 4367 7146 8734 10719 13101 21438 26202 32157 39303 64314 78606 117909 235818 353727 707454 1738813 3477626 5216439 10432878 15649317 19126943 31298634 38253886 46947951 57380829 93895902 114761658 140843853 172142487 281687706 344284974 516427461 690308761 1032854922 1380617522 1549282383 2070926283 3098564766 4141852566 6212778849 7593396371 12425557698 15186792742 18638336547 22780189113 37276673094 45560378226 55915009641 68340567339 111830019282 136681134678 205021702017 410043404034 615065106051 1230130212102