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12112223230 = 252943971309
BaseRepresentation
bin10110100011111000…
…11101101111111110
31011021010021200200101
423101330131233332
5144301212120410
65321514551314
7606103125112
oct132174355776
934233250611
1012112223230
115156041648
12242043853a
1311b0497ac3
1482c8b1742
154ad53bd3a
hex2d1f1dbfe

12112223230 has 32 divisors (see below), whose sum is σ = 23078325600. Its totient is φ = 4569032832.

The previous prime is 12112223209. The next prime is 12112223251. The reversal of 12112223230 is 3232221121.

It is an interprime number because it is at equal distance from previous prime (12112223209) and next prime (12112223251).

It is a junction number, because it is equal to n+sod(n) for n = 12112223198 and 12112223207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473185 + ... + 498124.

It is an arithmetic number, because the mean of its divisors is an integer number (721197675).

Almost surely, 212112223230 is an apocalyptic number.

12112223230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112223230 is a deficient number, since it is larger than the sum of its proper divisors (10966102370).

12112223230 is a wasteful number, since it uses less digits than its factorization.

12112223230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971388.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12112223230 its reverse (3232221121), we get a palindrome (15344444351).

The spelling of 12112223230 in words is "twelve billion, one hundred twelve million, two hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 29 43 58 86 145 215 290 430 1247 2494 6235 12470 971309 1942618 4856545 9713090 28167961 41766287 56335922 83532574 140839805 208831435 281679610 417662870 1211222323 2422444646 6056111615 12112223230