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12021010311313 = 1923919159718743
BaseRepresentation
bin1010111011101101110000…
…0011001010100010010001
31120120012022212200111121201
42232323130003022202101
53033423012114430223
641322213105551201
72350326561504313
oct256733403124221
946505285614551
1012021010311313
113915099a2a753
121421904045501
136927654a4b63
142d7b6a1377b3
1515ca62707ead
hexaeedc0ca891

12021010311313 has 32 divisors (see below), whose sum is σ = 13227205939200. Its totient is φ = 10873933874496.

The previous prime is 12021010311293. The next prime is 12021010311337. The reversal of 12021010311313 is 31311301012021.

It is not a de Polignac number, because 12021010311313 - 229 = 12020473440401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (12021010315313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641350620 + ... + 641369362.

It is an arithmetic number, because the mean of its divisors is an integer number (413350185600).

Almost surely, 212021010311313 is an apocalyptic number.

It is an amenable number.

12021010311313 is a deficient number, since it is larger than the sum of its proper divisors (1206195627887).

12021010311313 is a wasteful number, since it uses less digits than its factorization.

12021010311313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21301.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12021010311313 its reverse (31311301012021), we get a palindrome (43332311323334).

The spelling of 12021010311313 in words is "twelve trillion, twenty-one billion, ten million, three hundred eleven thousand, three hundred thirteen".

Divisors: 1 19 23 437 919 1597 17461 18743 21137 30343 36731 356117 401603 431089 697889 1467643 8190691 17224817 27885217 29932571 33755789 327271523 396170791 568718849 641359991 688449133 7527245029 13080533527 27508032749 522652622231 632684753227 12021010311313