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12320102142 = 2321489459671
BaseRepresentation
bin10110111100101010…
…11101011011111110
31011210121110000221100
423132111131123332
5200212421232032
65354302313530
7614206066065
oct133625353376
934717400840
1012320102142
1152524160a7
122479b888a6
13121458038a
1484c3451dc
154c190097c
hex2de55d6fe

12320102142 has 24 divisors (see below), whose sum is σ = 26711539920. Its totient is φ = 4103933760.

The previous prime is 12320102141. The next prime is 12320102143. The reversal of 12320102142 is 24120102321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12320102141) and next prime (12320102143).

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 (12320102141) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 203034 + ... + 256637.

It is an arithmetic number, because the mean of its divisors is an integer number (1112980830).

Almost surely, 212320102142 is an apocalyptic number.

12320102142 is an abundant number, since it is smaller than the sum of its proper divisors (14391437778).

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

12320102142 is a wasteful number, since it uses less digits than its factorization.

12320102142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461168 (or 461165 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12320102142 its reverse (24120102321), we get a palindrome (36440204463).

The spelling of 12320102142 in words is "twelve billion, three hundred twenty million, one hundred two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 1489 2978 4467 8934 13401 26802 459671 919342 1379013 2758026 4137039 8274078 684450119 1368900238 2053350357 4106700714 6160051071 12320102142