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12020132030 = 25174779137139
BaseRepresentation
bin10110011000111010…
…01010100010111110
31011000200222222022012
423030131022202332
5144104123211110
65304425051222
7603604302464
oct131435124276
934020888265
1012020132030
115109062115
1223b5626b12
13119739307a
1482057c834
154a53ea905
hex2cc74a8be

12020132030 has 128 divisors (see below), whose sum is σ = 24037171200. Its totient is φ = 4309733376.

The previous prime is 12020132029. The next prime is 12020132041. The reversal of 12020132030 is 3023102021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12020131996 and 12020132014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86475701 + ... + 86475839.

It is an arithmetic number, because the mean of its divisors is an integer number (187790400).

Almost surely, 212020132030 is an apocalyptic number.

12020132030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020132030 is a deficient number, since it is larger than the sum of its proper divisors (12017039170).

12020132030 is a wasteful number, since it uses less digits than its factorization.

12020132030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12020132030 its reverse (3023102021), we get a palindrome (15043234051).

The spelling of 12020132030 in words is "twelve billion, twenty million, one hundred thirty-two thousand, thirty".

Divisors: 1 2 5 10 17 34 47 79 85 94 137 139 158 170 235 274 278 395 470 685 695 790 799 1343 1370 1390 1598 2329 2363 2686 3713 3995 4658 4726 6439 6533 6715 7426 7990 10823 10981 11645 11815 12878 13066 13430 18565 19043 21646 21962 23290 23630 32195 32665 37130 38086 54115 54905 63121 64390 65330 95215 108230 109463 109810 111061 126242 183991 186677 190430 218926 222122 315605 323731 367982 373354 508681 516107 547315 555305 631210 647462 895021 919955 933385 1017362 1032214 1094630 1110610 1504397 1618655 1790042 1839910 1866770 2543405 2580535 3008794 3237310 4475105 5086810 5161070 7521985 8647577 8773819 8950210 15043970 15215357 17295154 17547638 25574749 30430714 43237885 43869095 51149498 70706659 76076785 86475770 87738190 127873745 141413318 152153570 255747490 353533295 707066590 1202013203 2404026406 6010066015 12020132030