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12012102013233 = 3714918121209717
BaseRepresentation
bin1010111011001100100100…
…0100101101000100110001
31120112100100001011001222210
42232303021010231010301
53033301241103410413
641314141122122333
72346563041304640
oct256631104550461
946470301131883
1012012102013233
113911338482533
1214200387b03a9
13691975a2136a
142d7562d93357
1515c6e05e23c3
hexaecc912d131

12012102013233 has 32 divisors (see below), whose sum is σ = 18528809644800. Its totient is φ = 6780322010880.

The previous prime is 12012102013217. The next prime is 12012102013253. The reversal of 12012102013233 is 33231020121021.

It is not a de Polignac number, because 12012102013233 - 24 = 12012102013217 is a prime.

It is a super-2 number, since 2×120121020132332 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12012102013253) 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, 10038510 + ... + 11171207.

It is an arithmetic number, because the mean of its divisors is an integer number (579025301400).

Almost surely, 212012102013233 is an apocalyptic number.

It is an amenable number.

12012102013233 is a deficient number, since it is larger than the sum of its proper divisors (6516707631567).

12012102013233 is a wasteful number, since it uses less digits than its factorization.

12012102013233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21210057.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12012102013233 its reverse (33231020121021), we get a palindrome (45243122134254).

The spelling of 12012102013233 in words is "twelve trillion, twelve billion, one hundred two million, thirteen thousand, two hundred thirty-three".

Divisors: 1 3 7 21 149 181 447 543 1043 1267 3129 3801 26969 80907 188783 566349 21209717 63629151 148468019 445404057 3160247833 3838958777 9480743499 11516876331 22121734831 26872711439 66365204493 80618134317 572004857773 1716014573319 4004034004411 12012102013233