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12131313021022 = 213676169011827
BaseRepresentation
bin1011000010001000101010…
…0110100111000001011110
31120221202001001200201122111
42300202022212213001132
53042224412113133042
641445014231504234
72361313150201336
oct260421246470136
946852031621574
1012131313021022
113957951a35078
12143b16822807a
1369cc9360b020
142dd2315d80c6
1516086b197517
hexb088a9a705e

12131313021022 has 16 divisors (see below), whose sum is σ = 19599635199312. Its totient is φ = 5598239325120.

The previous prime is 12131313021001. The next prime is 12131313021127. The reversal of 12131313021022 is 22012031313121.

It is a super-2 number, since 2×121313130210222 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12131313020984 and 12131313021002.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34330128 + ... + 34681699.

It is an arithmetic number, because the mean of its divisors is an integer number (1224977199957).

Almost surely, 212131313021022 is an apocalyptic number.

12131313021022 is a deficient number, since it is larger than the sum of its proper divisors (7468322178290).

12131313021022 is a wasteful number, since it uses less digits than its factorization.

12131313021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69018603.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12131313021022 its reverse (22012031313121), we get a palindrome (34143344334143).

The spelling of 12131313021022 in words is "twelve trillion, one hundred thirty-one billion, three hundred thirteen million, twenty-one thousand, twenty-two".

Divisors: 1 2 13 26 6761 13522 87893 175786 69011827 138023654 897153751 1794307502 466588962347 933177924694 6065656510511 12131313021022