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12131023113330 = 2351136760676101
BaseRepresentation
bin1011000010000111100101…
…0100101100110001110010
31120221201021212011220001120
42300201321110230301302
53042223313404111310
641444525354043110
72361303030054402
oct260417124546162
946851255156046
1012131023113330
113957813324140
12143b0a7119496
1369cc48534b04
142dd204cd0802
151608509cdb70
hexb087952cc72

12131023113330 has 32 divisors (see below), whose sum is σ = 31761224152128. Its totient is φ = 2940854088000.

The previous prime is 12131023113301. The next prime is 12131023113373. The reversal of 12131023113330 is 3331132013121.

It is a super-2 number, since 2×121310231133302 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12131023113330.

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, 18380337721 + ... + 18380338380.

It is an arithmetic number, because the mean of its divisors is an integer number (992538254754).

Almost surely, 212131023113330 is an apocalyptic number.

12131023113330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131023113330 is an abundant number, since it is smaller than the sum of its proper divisors (19630201038798).

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

12131023113330 is a wasteful number, since it uses less digits than its factorization.

12131023113330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36760676122.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 12131023113330 its reverse (3331132013121), we get a palindrome (15462155126451).

The spelling of 12131023113330 in words is "twelve trillion, one hundred thirty-one billion, twenty-three million, one hundred thirteen thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 36760676101 73521352202 110282028303 183803380505 220564056606 367606761010 404367437111 551410141515 808734874222 1102820283030 1213102311333 2021837185555 2426204622666 4043674371110 6065511556665 12131023113330