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12033223230 = 2357103556321
BaseRepresentation
bin10110011010011110…
…00110101000111110
31011001121122002001110
423031033012220332
5144121001120410
65310013422450
7604123465320
oct131517065076
934047562043
1012033223230
115115493796
1223b9a9aa26
131199cc7942
148221c9610
154a6634720
hex2cd3c6a3e

12033223230 has 64 divisors (see below), whose sum is σ = 33325913088. Its totient is φ = 2723742720.

The previous prime is 12033223193. The next prime is 12033223231. The reversal of 12033223230 is 3232233021.

It is a super-2 number, since 2×120332232302 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12033223197 and 12033223206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033223231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256531 + ... + 299790.

It is an arithmetic number, because the mean of its divisors is an integer number (520717392).

Almost surely, 212033223230 is an apocalyptic number.

12033223230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12033223230 is an abundant number, since it is smaller than the sum of its proper divisors (21292689858).

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

12033223230 is a wasteful number, since it uses less digits than its factorization.

12033223230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556441.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 12033223230 its reverse (3232233021), we get a palindrome (15265456251).

The spelling of 12033223230 in words is "twelve billion, thirty-three million, two hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 103 105 206 210 309 515 618 721 1030 1442 1545 2163 3090 3605 4326 7210 10815 21630 556321 1112642 1668963 2781605 3337926 3894247 5563210 7788494 8344815 11682741 16689630 19471235 23365482 38942470 57301063 58413705 114602126 116827410 171903189 286505315 343806378 401107441 573010630 802214882 859515945 1203322323 1719031890 2005537205 2406644646 4011074410 6016611615 12033223230