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12112013130 = 235758439871
BaseRepresentation
bin10110100011110111…
…01010011101001010
31011021002220000110220
423101323222131022
5144301133410010
65321510250510
7606101261430
oct132173523512
934232800426
1012112013130
115155a08808
122420356a36
1311b0423299
1482c858d50
154ad4e9970
hex2d1eea74a

12112013130 has 64 divisors (see below), whose sum is σ = 33230573568. Its totient is φ = 2767705920.

The previous prime is 12112013107. The next prime is 12112013143. The reversal of 12112013130 is 3131021121.

It is a happy number.

It is a super-2 number, since 2×121120131302 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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, 1222095 + ... + 1231965.

It is an arithmetic number, because the mean of its divisors is an integer number (519227712).

Almost surely, 212112013130 is an apocalyptic number.

12112013130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112013130 is an abundant number, since it is smaller than the sum of its proper divisors (21118560438).

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

12112013130 is a wasteful number, since it uses less digits than its factorization.

12112013130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15731.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12112013130 its reverse (3131021121), we get a palindrome (15243034251).

The spelling of 12112013130 in words is "twelve billion, one hundred twelve million, thirteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 5843 9871 11686 17529 19742 29215 29613 35058 40901 49355 58430 59226 69097 81802 87645 98710 122703 138194 148065 175290 204505 207291 245406 296130 345485 409010 414582 613515 690970 1036455 1227030 2072910 57676253 115352506 173028759 288381265 346057518 403733771 576762530 807467542 865143795 1211201313 1730287590 2018668855 2422402626 4037337710 6056006565 12112013130