Search a number
-
+
12213121032030 = 235773526654637
BaseRepresentation
bin1011000110111001011010…
…1111011001111101011110
31121020120012101220021111010
42301232112233121331132
53100044432441011110
641550344053240050
72400240344624142
oct261562657317536
947216171807433
1012213121032030
113989612477626
121452b99633026
136a79001a9329
14303192533222
15162a58253020
hexb1b96bd9f5e

12213121032030 has 32 divisors (see below), whose sum is σ = 29349409666464. Its totient is φ = 3252619031936.

The previous prime is 12213121032023. The next prime is 12213121032043. The reversal of 12213121032030 is 3023012131221.

It is a junction number, because it is equal to n+sod(n) for n = 12213121031988 and 12213121032006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263304129 + ... + 263350508.

It is an arithmetic number, because the mean of its divisors is an integer number (917169052077).

Almost surely, 212213121032030 is an apocalyptic number.

12213121032030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12213121032030 is an abundant number, since it is smaller than the sum of its proper divisors (17136288634434).

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

12213121032030 is a wasteful number, since it uses less digits than its factorization.

12213121032030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526655420.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12213121032030 its reverse (3023012131221), we get a palindrome (15236133163251).

The spelling of 12213121032030 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty-one million, thirty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 773 1546 2319 3865 4638 7730 11595 23190 526654637 1053309274 1579963911 2633273185 3159927822 5266546370 7899819555 15799639110 407104034401 814208068802 1221312103203 2035520172005 2442624206406 4071040344010 6106560516015 12213121032030